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Med Pregl 2016; LXIX (11-12): 391-401. Novi Sad: novembar-decembar. 391
Introduction
Nikola Tesla (1856 - 1943) was a genius inventor
and scientist whose contribution to the development
of medicine is outstanding. Part I of this paper revi-
ewed his remarkable contribution to the esta-
blishment of radiology as a new discipline in medi-
cine. Part II reviews the application of Tesla currents
in medicine.
HISTORY OF MEDICINE
ISTORIJA MEDICINE
University of Belgrade, Belgrade History of medicine
Faculty of Medicine Istorija medicine
Institute for Pathophysiology “Ljubodrag-Buba Mihailović“ UDK 615.84:929 Tesla N.
DOI: 10.2298/MPNS1612391V
NIKOLA TESLA AND MEDICINE: 160TH ANNIVERSARY OF THE BIRTH OF THE
GENIUS WHO GAVE LIGHT TO THE WORLD - PART II
NIKOLA TESLA I MEDICINA − 160 GODINA OD ROĐENJA GENIJA
KOJI JE SVETU PODARIO SVETLOST − II DEO
Danijela VUČEVIĆ, Drago ĐORĐEVIĆ and Tatjana RADOSAVLJEVIĆ
Corresponding Author: Prof. dr Danijela Vučević, Medicinski fakultet, Institut za patofiziologiju,
11000 Beograd, Dr Subotića 9, E-mail: danijela.vucevic@mfub.bg.ac.rs; danibovuc@med.bg.ac.rs; denihol@yahoo.com
Summary
Introduction. Nikola Tesla (1856 - 1943) was a genius inventor and
scientist, whose contribution to medicine is remarkable. Part I of
this article reviewed special contributions of the world renowned
scientist to the establishment of radiology as a new discipline in
medicine. This paper deals with the use of Tesla currents in medi-
cine. Tesla Currents in Medicine. Tesla’s greatest impact on
medicine is his invention of a transformer (Tesla coil) for producing
high frequency and high voltage currents (Tesla currents). Tesla
currents are used in diathermy, as they, while passing through the
body, transform electrical energy into a therapeutic heat. In 1891,
Tesla passed currents through his own body and was the first to
experience their beneficial effects. He kept correspondence on elec-
trotherapy with J. Dugan and S. H. Monell. In 1896, he used high
frequency currents and designed an ozone generator for producing
ozone, with powerful antiseptic and antibacterial properties. Tesla is
famous for his extensive experiments with mechanical vibrations
and resonance, examining their effects on the organism and pioneer-
ing their use for medical purposes. Tesla also designed an oscilla-
tor to relieve fatigue of the leg muscles. It is less known that Tesla’s
inventions (Tesla coil and wireless remote control) are widely used
in modern medical equipment. Apart from this, wireless technol-
ogy is nowadays widely applied in numerous diagnostic and thera-
peutic procedures. Conclusion. Nikola Tesla was the last Renais-
sance figure of the modern era. Tesla bridged three centuries and
two millennia by his inventions, and permanently indebted human-
kind by his epochal discoveries.
Key words: History of Medicine; Famous Persons; Portraits as
Topic; Electric Stimulation Therapy; Ozone; Radio Waves;
Diathermy; Wireless Technology
Sažetak
Uvod. Nikola Tesla (1856−1943) bio je genijalni pronalazač i na-
učnik koji je izuzetno doprineo razvoju medicine. U našem pret-
hodnom radu opisan je poseban doprinos ovog naučnika svetskog
glasa utemeljenju radiologije kao nove medicinske discipline. U
ovom radu dat je osvrt na primenu Teslinih struja u medicini.
Primena Teslinih struja u medicini. Teslin izum koji je najzna-
čajnije doprineo medicini je transformator (Teslin kalem) za
stvaranje visokofrekventnih i visokonaponskih struja (Teslinih
struja). Tesline struje se koriste u postupcima medicinske dija-
termije, pri čemu se prilikom njihovog prolaska kroz organizam
električna energija pretvara u toplotnu, te se na taj način zagre-
vanjem tkiva u unutrašnjosti organizma postiže terapijski efekat.
Poznato je da se Tesla dopisivao sa lekarima elektroterapeutima,
Duganom i Monelom. Podstaknut korišćenjem visokofrekventnih
struja, Tesla je 1896. godine konstruisao ozonski generator, koji
služi za dobijanje ozona, agensa sa snažnim baktericidnim svoj-
stvima. Nikola Tesla je ispitivao i uticaj mehaničkih vibracija i
rezonancije na organizam i prvi ih primenio u medicinske svrhe.
S tim u vezi, osmislio je oscilator koji je koristio za suzbijanje
umora u nožnim mišićima. Malo je poznato da su Teslini prona-
lasci (transformator i sistem za bežično daljinsko upravljanje)
nezaobilazni deo korišćenja medicinske opreme. Pored toga, be-
žična tehnologija u današnje vreme se takođe u potpunosti pri-
menjuje u sklopu brojnih dijagnostičkih i terapijskih procedura.
Zaključak. Nikola Tesla je poslednja renesansna ličnost moder-
nog doba. Svojim grandioznim delom spojio je tri veka i dva
milenijuma i večno zadužio čovečanstvo.
Ključne reči: istorija medicine; poznate ličnosti; portreti; elek-
troterapija; ozon; radio talasi; dijatermija; bežična tehnologija
Vučević D, et al. Nikola Tesla and Medicine – Part II
392
Tesla Currents in Medicine
A man is born to work, to suffer and to fight; he
who doesn’t, must perish. Of all the frictional resi-
stance, the one that most retards human movement
is ignorance. If you don’t know how, observe the phe-
nomena of nature, they will give you clear answers
and inspiration. The progress and development of
man essentially depends on ingenuity. The most im-
portant product of the creative mind is an invention.
Its final goal is an overall mastering of the mind over
the nature and the exploitation of all its forces for
the needs of humankind. An inventor’s endeavor is
essentially life saving. Whether he harnesses forces,
improves devices, or provides new comforts and con-
veniences, he is adding to the safety of our existence.
Nikola Tesla
Nikola Tesla and Electrotherapy
Historians of medicine consider high-frequency
and high voltage currents to be the most important
Tesla’s contribution to medicine [1]. By the use of
these currents, called Tesla currents, it is possible to
produce heat in tissues of the human body (electrot-
herapy) [2, 3]. Today, Tesla currents are used in me-
dical diathermy, where electrical energy is converted
into heat and thus warms the tissue inside the body
[2–6]. These currents are used to treat disorders of the
locomotor system, inflammatory processes and chro-
nic diseases, as well as in gynecology and surgery [3].
A similar procedure is called teslinization, where the
human body is subjected to a high frequency electric
field of Tesla currents generated by a Tesla coil (“skin
effect”) [2–7].
Before Tesla currents were used, direct current elec-
trotherapy had been associated with painful muscle
spasms, and even fatalities [8]. At that time, there were
ways to generate extremely high-frequency damped
oscillations [5]. However, Tesla was the first who
succeeded, first using mechanical generators, and
then oscillator coils, to produce continuous, undam-
ped high-frequency currents [5, 6].
Tesla explained his decision to start researching
high-frequency currents, previously completely un-
known: “Some theoretical possibilities offered by cu-
rrents of very high frequency and observations which I
causally made while pursuing experiments with alter-
nating currents, as well as the stimulating influence of
the work of Hertz, determined me some time during
1889 to enter a systematic investigation of high frequen-
cy phenomena. This has proved itself so fruitful, since”
[8]. During 1891 and 1892, Tesla designed and made
several high-frequency electrical oscillators for medical
purposes [8, 9]. As he said, the work was hard, and he
struggled “to get from the Scylla to the Charybdis’’ [8].
Those were mainly high frequency generators (5-10000
cycles per second), operating at tens of thousands
volts [3, 9]. Using these devices, Tesla performed ama-
zing experiments [6]. Showers of sparks and li-
ghtning erupted around him in his laboratory, making
some fascinating scenes [6, 10, 11]. On these occasions,
Tesla transformers raised the potential to several million
volts at a frequency of several million Hertz [6, 11]. Li-
ghtning bolts were flying around his lab a few meters in
range [6]. Tesla liked sitting in a chair inside his lab ta-
king notes while the air all around him was filled with
such streamers from his giant coil [6, 12] (Figure 1).
In his experiments with his oscillating transfor-
mer, Tesla connected his coil to a Geissler tube and
found it glowing intensely [6]. The luminescence
appeared in these tubes without direct connection
of conductors with the source of electrical energy
[6, 13]. Therefore, in Tesla’s hands, light bulbs lit
like in hands of a magician, which was a real attrac-
tion for observers [1, 6, 12–15] (Figure 2).
Tesla conducted a number of experiments on himself
using high-frequency and high-voltage currents, and
he was the first to report about their beneficial effects
on the body [1–3, 5, 6, 8, 9, 16]. In the winter of 1891,
Tesla passed high-frequency and high-voltage current
through his body without causing any muscle spasms
or tissue damage [1]. The scientific world was soon
informed of the fascinating properties of Tesla’s
currents [1, 16]. On February 21, 1891, Tesla pu-
Figure 1. Nikola Tesla - master of lightning – produced
by high frequency and high voltage currents in his lab
in Colorado, 1899. Source: The Nikola Tesla Museum,
document no. MNT, VI/II, 38
Slika 1. Nikola Tesla kao gospodar munja, odnosno vi-
sokofrekvencijskih i visokonaponskih struja proizvede-
nih u njegovoj laboratoriji u Koloradu 1899. godine
Izvor: Muzej Nikole Tesle, dokument br. MNT, VI/II, 38
- - - - - - - - - - - - - - - - - - -
Acknowledgements
This research is a part of the Project no. 175015, funded
by the Ministry of Education, Science and Technological
Development of the Republic of Serbia.
We would like to express our deepest gratitude to Bra-
nislav Slavnić, laboratory technician, for his generous
and friendly assistance in collecting references used in
writing this paper.
Abbreviations
AIEE – American Institute of Electrical Engineers
Med Pregl 2016; LXIX (11-12): 391-401. Novi Sad: novembar-decembar. 393
blished the article “Phenomena of alternating cu-
rrents of very high frequency’’ in the journal Elec-
trical World [3, 5, 8, 16]. It was also the first paper
on high-frequency currents in the world [8]. Accor-
ding to Tesla, his accidental experience with high-
frequency currents led to the following conclusions
on the physiological effects of these currents on the
human body: “The discharge of even a very large
coil cannot produce seriously injurious effects, whe-
reas, if the same coil were operated with a current of
lower frequency, though the electromotive force wo-
uld be much smaller, the discharge would be most
certainly injurious. This result, however, is due in
part to the high frequency. The writer’s experiences
tend to show that the higher the frequency the grea-
ter the amount of electrical energy which may be
passed through the body without serious discomfort’’
[16]. This was a shocking discovery that disproved
Edison’s claims that alternating currents were dange-
rous and harmful [8, 16]. On the other hand, no one
could foresee the amazing effects of high-frequency
currents [8]. Tesla’s explanation for this enigma was
soon associated with the human body, emphasizing
the following: ‘’It seems certain that human tissues
act as condensers’’ [5, 8].
On May 20, 1891, Tesla was invited to give a lec-
ture before the members of American Institute of
Electrical Engineers (AIEE), now the IEEE, at Co-
lumbia University in New York [5, 8, 9]. The lecture:
‘’Experiments with Alternate Currents of Very High
Frequency and Their Application to Methods of Ar-
tificial Illumination’’ was held before a large gathe-
ring [5]. On this occasion, Tesla amazed the audien-
ce, and demonstrated effects of alternating currents
on the human body and intense smell of ozone [5, 9].
The lecture ended with the announcement that his
future work would be directed towards finding new
ways of using natural energy and thus “humanity
will move forward with giant steps” [5, 17]. This lec-
ture, published in Electrical World and the AIEE
proceedings on July 11, 1891, was translated into
many languages, and was many times cited both in
our and in foreign scientific literature [5, 8].
It is known that Tesla corresponded with physici-
ans and electrotherapists, Dugan William James and
Samuel Howard Monell [2–4]. As a young physician,
Dr. Monell, later a professor of electrotherapeutics,
attended Tesla’s lecture at Columbia University in
1891 [5]. In his book “High-frequency electrical
currents in medicine and dentistry’’, published in
1910, he wrote about his impressions from the lec-
ture: ‘’On a memorable night in May, 1891, Nikola
Tesla, the Slav, young and enthusiastic, with a poet’s
mind and the aspirations of genius, stood before the
“American Institute of Electrical Engineers” and ligh-
ted lamps with currents passing harmlessly through
his own body and heated wires to incandescence by
the touch of his conducting hand. With smiling coun-
tenance and without physical sensation, he placed
himself in circuits, that by all the laws of alternating
and direct currents should have brought the lecture to
a close by the death of the daring lecturer! Yet he went
sweeping on, astonishing his audience by demonstra-
tion after demonstration of unfamiliar discharges new-
born into electrical science which were called “high
frequency”. That lecture sent the fame of Tesla round
the world’’ [5, 8, 9].
Nine years later, Nikola Tesla was examining the
problem of increasing human energy, and in his
eponymous paper: “The problem of increasing hu-
man energy”, he reflected on the lecture he gave at
Columbia University: “I still remember with plea-
sure how, nine years ago, I passed the discharge of
a powerful induction-coil through my body to de-
monstrate before a scientific society the compara-
tive harmlessness of very rapidly vibrating electric
currents, and I can still recall the astonishment of
my audience. I would now undertake, with much
less apprehension than I had in that experiment, to
transmit through my body with such currents the
entire electrical energy of the dynamo now working
at Niagara – forty or fifty thousand horsepower. I
have produced electrical oscillators which were of
such intensity that when circulating through my
arms and chest they have melted wires which joined
my hands, and still I felt no inconvenience. I have
energized with such oscillations a loop of heavy
Figure 2. Tesla demonstrating wireless electricity transmis-
sion Tesla holding a light bulb illuminating it by hand, wit-
hout any wire connections. Source: www.tesla-museum.org
Slika 2. Tesla demonstrira bežični prenos električne ener-
gije. U njegovoj ruci svetli sijalica bez direktnog povezi-
vanja sa strujnim izvorom. Izvor: www.tesla-museum.org
Vučević D, et al. Nikola Tesla and Medicine – Part II
394
copper wire so powerfully that masses of metal, and
even objects of an electrical resistance specifically
greater than that of human tissue, brought close to
or placed within the loop, were heated to a high
temperature and melted, often with the violence of
an explosion, and yet into this very place in which
this terribly destructive turmoil was going on I have
repeatedly thrust my head without feeling anything
or experienced any inconvenience” [18].
After this lecture, Tesla received many letters from
eminent physicians from the United States of America,
inquiring as to the physical effects of such currents of
high frequency [8]. That is why Tesla wrote a separate
article on the application of high frequency currents in
medicine:”Massage with Currents of High Frequency”,
which was published in the journal Electrical Engi-
neer on December 23, 1891 [2, 3, 5, 8]. He provided
specific instructions to doctors how to heat the skin of
their patients using his currents [5]. Among other thin-
gs, in this article Tesla wrote: ”I have demonstrated in
my lecture that a body perfectly well insulated in air
can be heated by simply connecting it with a source of
rapidly alternating high potential. The heating will, of
course, be superficial, that is on the skin. With such
apparatus properly prepared, wouldn’t it be possible for
a skilled physician, to find in it a means for effective
treatment of various types of diseases?” [8].
After his fascinating experiments at Columbia Co-
llege in New York, where he passed 50,000 volts thro-
ugh his body, Tesla performed similar experiments in
Europe, and captured the attention of the whole scienti-
fic world on developments in this area [1, 2, 5]. Thus, on
February 3, 4, and 9, 1892, Tesla gave a lecture: ‘’Expe-
riments with Alternate Currents of High Potential and
High Frequency’’ in the famous Royal Society in Lon-
don before the members of the Institute of Electrical
Engineers (IEE) [5, 7]. Then, on February 19, 1892, he
delivered a lecture in Paris in the International Associ-
ation for Electricity, and repeated it in the Association
of Electrical Engineers [7]. There he met Jacques-Arsène
d’Arsonval, a French physician, who conducted experi-
ments with high-frequency currents, denying the fact
that Tesla released observations of physiological effects
of these current before him [5]. Both times Tesla’s expe-
riments were considered to be sensational, and hinted
at the possibility of therapeutic application of high frequ-
ency currents and voltage [1].
On September 13, 1898, Tesla gave a lecture:
“High Frequency Oscillators for Electro-therapeutic
and Other Purposes”, on the annual meeting of
the American Electro-Therapeutic Associati-
on in Buffalo, combining all his work in this area
[1, 2, 4, 8, 19]. So, Tesla gave a comprehensive
overview of his eight oscillators that were already
in use [8] and described the effects that high frequ-
ency currents caused in his system (heat effect,
extreme fatigue, drowsiness, and disorders in bre-
athing and blood circulation) [1]. In addition, Tesla
clearly limited his research to living tissues, leaving
therapy to doctors: “While it remained for the physi-
cian to investigate the specific actions on the orga-
nism and indicate proper methods of treatment, the
various ways of applying these currents to the body
of a patient suggested themselves readily to the elec-
trician“ [19]. In the final part of his lecture, Tesla
stated the following: “Finally, though, I had the sa-
tisfaction of producing devices which are simple
and reliable in their operation, which require prac-
tically no attention and which are capable of effec-
ting a transformation of considerable amounts of
energy with fair economy. The physician will now
be able to obtain an instrument suitable to fulfill
many requirements“ [8]. Shortly after that, Tesla
currents became the basis for diathermy and vario-
us other forms of high frequency electrotherapy [6,
8]. Tesla established a good cooperation with the
New York doctor Carol, entrusting him one of his
high-frequency transformers for therapeutic purpo-
ses and they were constantly in contact [5]. In ad-
dition, as already mentioned, he kept corresponden-
ce with physicians Monell and Dugan [2–4]. They
both sent him their books on the treatment using
high-frequency currents, but Tesla corrected them on
several occasions that the discovery of these currents
was wrongly attributed to William James Morton,
and the discovery of their therapeutic activity to
d’Arsonval [3]. Although Dugan’s “Handbook of
Electrotherapeutics’’, intended for medical students
and doctors, contains a special dedication to Tesla,
there is not much information about their relationship
[16]. Since the letter in which Tesla thanks Dugan for
sending him his book was sent via Tesla’s publisher,
it can be concluded that Tesla and Dugan were not
very close [3, 16].
In contrast, Tesla archives include a very rich
correspondence with Prof. Monell [16]. In a letter dated
December 16, 1908, Monell asked Tesla to send him
photos and comments about his machines, about whi-
ch he later wrote in his book on electrotherapeutics [9,
16]. In the same letter, Prof. Monell wrote about his
concept for the book according to which his main
objective was to stimulate interest of medical students,
doctors and dentists in high frequency currents [9].
Their subsequent correspondence was about photo-
graphs Monell expected to get from Tesla for his book,
as well as Tesla’s explanations for machines in the pho-
tos [16].
The Monell’s book, a part of the personal legacy
of Nikola Tesla kept in his Museum in Belgrade, con-
tains four photographs, although Tesla sent him
more; the first is the well-known figure of Tesla si-
tting in front of one of his giant Tesla coils, the so-
called high-frequency amplifiers, as stated in the
legend [9]. The following two photographs present
oscillators, a total of four, which have been applied
for medical purposes [9, 16]. The fourth presents Te-
sla coils in resonance from Tesla’s laboratory [9]. Two
of these photos have Tesla’s handwritten legends [16].
The first part of the Monell’s book, dedicated to
electricity and its effects on the human body, includes
a review on Tesla, as the inventor of these valuable
therapeutic devices [9, 16]. In the preface of his book,
Med Pregl 2016; LXIX (11-12): 391-401. Novi Sad: novembar-decembar. 395
Monell points out the importance of high frequency
currents in medical practice, both in rehabilitation of
acute diseases, and in the treatment of chronic dise-
ases, expressing his beliefs that those who read his
book will most certainly be willing to use them in
their work [16]. Monell also emphasizes that the main
effect of high-frequency currents is based on their
power to “modify the natural physiological processes
in the body’’ [9, 16]. The improvement of the health
status of patients subjected to these currents on daily
basis was associated with: “induction of natural
sleep, increase of strength, vital energy, joy of life,
work capacity, walking capacity; it restored appetite,
improved digestion, and provided progressive health
improvement” [16].
This general improvement of the health status often
manifested after the first session, even before signs of
localized effects could be noticed [10, 16]. Apart from
statements given by patients, the therapeutic efficacy
also included blood and urine tests [16].
At the stage of drafting the book, in a letter dated
June 4, 1909, Monell wrote to Tesla about his ideas
on the cooperation related to the design, manufac-
ture and marketing of devices based on Tesla’s high-
frequency currents [16]. In his letter dated April 19,
1916, Monell proposed foundation of Monell-Tesla
Institute [3, 16]. The aim this Institute would have
been to expand the application of Tesla’s inventions
in science and medicine [10, 16]. Tesla’s task was to
design devices, and Monell’s to manage their use
[16]. Unfortunately, Monell died in 1918, so this
plan was never put into action.
In electrotherapy, Tesla used two types of oscilla-
tors [9]. The first type was a high frequency coil with
two metal plates of considerable surface connected to
its terminals [9, 10]. To enable strong currents to be
passed through the tissues, the terminals should be
large, and covered with cloth saturated with a solution
of electrolyte harmless to the skin [9]. Another type
of oscillator was connecting one terminal of the high
frequency source to the ground and the other to a me-
tal plate, which worked as a transmission antenna and
it affected the whole body [9, 10]. Apart from this, the
oscillators were huge and occupied a substantial part
of doctors’ surgeries [8, 9]. Usually they were steam-
powered electric generators producing high-frequen-
cy electricity [9].
After 1900, Tesla tried to exploit his inventions
com-
mercially in medicine [5]. He founded the Tesla Electrot-
herapeutic Company and designed a miniature tran-
sformer for home treatment using high frequency
currents, but failed to commercialize his discovery [5].
However, his portable miniature oscillator (cylindrical
in shape, about 30 cm long, 3 cm in diameter, 12 or
30 W, with frequency of 400.000 cps, 75 kV), known
as “Mini Tesla” or “Pocket Tesla” had a remarkable
success [3, 4, 8, 9]. A copy of this oscillator is in the
Nikola Tesla Museum in Belgrade [8]. According to
Margaret Cheney, this device was very popular [8,
20]. The famous French chanteuse Edith Piaf, for
example, cured pharyngitis by means of Tesla cu-
rrents, specifically the oscillator ‘’Mini Tesla’’ [9].
Over time, treatment using Tesla currents had beco-
me very effective and very popular [9, 10]. Monell
listed various clinics in the United States which in-
vestigated effects of these currents and confirmed
their beneficial effect on the organism [3, 9]. A simi-
lar thing happened in Europe, where d’Arsonval,
academician Blondel, and a German doctor from
Saarbrucken, Marsel Flug, made a great success with
Tesla currents [9].
In his book “Nikola Tesla beneath Cobwebs’’,
Mario Filipi wrote about using Tesla currents for
electro-anesthesia [4, 20]. According to this author,
Tesla designed a device with high-frequency currents
in a wardrobe of a New York theatre, for actors
suffering from stage fright [21].
Nikola Tesla and the Ozone Generator
Tesla’s genius was much more than unveiling the
secrets of nature and it was evident in the variety
of his interests as well [5]. He published several
articles on general biological topics, as well as on
proper diet and healthy lifestyle [2, 3]. For example,
Tesla emphasized the importance of timely recogni-
tion of symptoms of the disease: “Incapacity of
observing the first symptoms of an illness, and ca-
reless neglect of the same, are important factors of
mortality. In noting carefully every new sign of
approaching danger, and making conscientiously
every possible effort to avert it, we are not only
following wise laws of hygiene in the interest of our
well-being and the success of our labors, but we are
also complying with a higher moral duty. Everyone
should consider his body as a priceless gift from
one whom he loves above all, as a marvelous work
of art, of indescribable beauty and mastery beyond
human conception, and so delicate and frail that a
word, a breath, a look, nay, a thought, may injure it.
Uncleanliness, which breeds disease and death, is
not only a self destructive but highly immoral habit.
In keeping our bodies free from infection, healthful,
and pure, we are expressing our reverence for the
high principle with which they are endowed [18].
Like a real mechanical engineer, Tesla analyzed me-
chanisms for improving the automatism of living
beings: “The human energy will be increased by
careful attention to health, by substantial food, by
moderation, by regularity of habits, by promotion
of healthy life generally stated, by respecting our-
selves and others as well” [2, 18]. According to him,
success in life depends on hard work: “To be succe-
ssful in this world one must perform the hardest
kind of work. You must peg away night and day,
and not stop a minute. There is no royal road. This
has been the plan I have followed for years” [5].
“My health is good, ‘’Tesla used to point out, ‘’sim-
ply because I lived cautiously and moderately, and
perhaps the most amazing thing is that I was serio-
usly ill three times in my youth, physically hopele-
ssly destroyed and abandoned by doctors”. At the
time when Tesla finished high school, there was an
Vučević D, et al. Nikola Tesla and Medicine – Part II
396
outbreak of cholera [22]. He contracted cholera and
was bedridden for nine months and was near death
multiple times [11, 14, 22, 23]. The doctors gave up
on him almost completely [11, 14, 22]. Desperate
parents watched their only son losing the battle with
the illness [11]. Tesla’s father, in a moment of des-
pair, promised to send him to the best engineering
school instead to seminary if he recovered [11, 12,
14, 22]. This dramatic life experience must be an
additional reason for Tesla’s commitment to invent
something to contribute the fight against diseases,
especially those caused by microorganisms. To this
end, he experimented with high frequency alterna-
ting currents, and revealed their bactericidal pro-
perties: “My high frequency currents have bacteri-
cidal effects. So it has become a daily routine for
the inventor to take off his clothes, stand in front of
his coils and a prickly corona would enve-
lop his body and restore his health’’ [24, 25]. In
addition, Tesla noted that high-frequency currents
produce ozone in the air, which acts refreshing and
in very low concentrations has antibacterial proper-
ties [2, 3]. This urged him to use high voltage elec-
trical discharge and design a device for ozone pro-
duction (ozone generator/ozonizer) and patented it
on June 17, 1896 [2, 3, 5]. In 1900, Tesla formed the
“Tesla Ozone Company” for production of ozone
generators, mostly bought by doctors [2, 3, 16]. One
of the products of his company was called “Violet
Ray” which was widely used for therapeutic purpo-
ses around 1910 and later [16]. In the late 19th and
early 20th century, “Siemens” used this idea for
water purification [5]. Today, ozonizers are used for
air purification and refreshment in rooms with air-
conditioning [3].
In May 1898, an International Exhibition of Health
was held in New York, where Tesla presented his “elec-
trical bath” [5, 10]. On this occasion, Tesla spoke about
facts, discovered by famous scientists Louis Pasteur
and Robert Koch stating that from 4,000 to 7,000 mi-
crobes fly in the air and fall on every square foot of
a human body, where they remain [5]. Electric char-
ge with positive or negative entropy creates a repul-
sive force between two charged bodies, one of whi-
ch is the great mass of the human body, others are
small microorganisms [5, 10]. The result of the elec-
tric charge is rejection of microorganisms from the
body [5]. Tesla first applied this method himself,
and then he described it in detail [5, 10]. The method
included rubbing the body with a disinfectant, for
example alcohol, the hair in particular, which espe-
cially retains microorganisms [5]. Then he used a
special battery to electrify his body to reject micro-
organisms, and eventually the whole process was
finished by mild rubbing of the body with alcohol
again [5].
Speaking of good and useful electricity, Tesla
used to say that one should protect himself from bad
electricity, the so-called “evil spirit” [9]. Giving an
interview to an amazed journalist of the “Sun” ma-
gazine he said: ‘’One of the beneficial effects of water
is that it mechanically washes away the electricity from
the skin. If you put some clay on the bottom of the
bathtub, it will absorb all the harmful electricity from
your body. Grounding is placing one’s bare feet on
the ground, grass, or sand, especially when it is humid
or wet. Rinse your hands and/or feet under running
water to remove any static electricity. Spending time
by the water, like lakes, rivers, fountains, waterworks
or streams, will fill you with natural electricity that will
successfully fight the damaging one’’ [9].
Nikola Tesla and Vibrational Medicine
Nikola Tesla also examined the effects of mecha-
nical vibration on the human body [3]. It is known
that he made a ‘’vibrator’’ for treating painful leg
muscle spasms [2–4]. Here is how Tesla later re-
called his work in this field of research: “Electrical
oscillations of an extremely high rate act in an
extraordinary manner upon the human organism.
Thus, for instance, I demonstrated that powerful
electrical discharges of several hundred thousand
volts, which at that time were considered absolutely
deadly, could be passed through the body without
inconvenience or hurtful consequences. These os-
cillations produced other specific physiological ef-
fects, which, upon my announcement, were eagerly
taken up by skilled physicians and further investi-
gated. This new field has proved itself fruitful
beyond expectation, and in the few years which
have passed since, it has been developed to such an
extent that it now forms a legitimate and important
department of medical science [18]. On February 6,
1894, Tesla patented his mechanical oscillator called
Means for generating electric currents [7].
Tesla left a record about how he accidentally came
to the discovery of mechanical treatment while using
the mechanical oscillator: “I had installed at the labo-
ratory one of my mechanical oscillators with the object
of using it in the exact determination of various physi-
cal constants. The machine was bolted in vertical po-
sition to a platform supported on elastic cushions and,
one day, as I was making some observations, I stepped
on the platform and the vibrations imparted to it by the
machine were transmitted to my body. The sensation
experienced was as strange as agreeable, and I asked
my assistants to try. They did so and were mystified
and pleased like myself. But a few minutes later some
of us, who had stayed longer on the platform, felt an
unspeakable and pressing necessity which had to be
promptly satisfied, and then the stupendous truth
dawned upon me”. It was a discovery of laxative effects
of mechanical oscillators, or technical therapy in a bro-
ader sense, about which Tesla said: “When I began to
practice with my assistants mechanical therapy we used
to finish our meals quickly and rush back to the labo-
ratory. We suffered from dyspepsia and various stoma-
ch troubles, biliousness, constipation, flatulence and
other disturbances, all natural results of such irregu-
lar habit. But only after a week of application, du-
ring which I improved the technique and my assi-
stants learned how to take the treatment to their best
Med Pregl 2016; LXIX (11-12): 391-401. Novi Sad: novembar-decembar. 397
advantage, all these forms of sickness disappeared
as by enchantment and for nearly four years, while
the machine was in use, we were all in excellent
health” [12, 26, 27].
Apart from his assistants, Tesla gladly offered
his visitors the opportunity to try out the mechani-
cal treatment [12]. One of them was the famous
writer and Tesla’s friend, Mark Twain [12, 14]. Tesla
described it like this: “He came to the laboratory in
the worst shape suffering from a variety of distre-
ssing and dangerous ailments but in less than two
months he regained his old vigor and ability of
enjoying life to the fullest extent” [12, 26].
In 1896, Tesla informed the public about the possi-
bilities of mechanical therapy in the Detroit Free Pre-
ss [7]. He had high expectations for his invention and
was very optimistic regarding the future of mechani-
cal therapy [5]. Tesla began experimenting more and
more with medicinal properties of his oscillators, and
good reports were coming from across the country
about their extraordinary possibilities of treatment [5,
24]. “These high-frequency “vitality boosters” would
generate a “universal healing agent” and enable the
body to “throw off all diseases,” said Finch Strong
[24]. The gathered results included “improvement of
mood, sleep, appetite, and bowel functions” [24].
Nikola Tesla and Dr. Georges Lakhovsky achieved
amazing results with application of their high-frequ-
ency oscillators and vortex antennas on a large num-
ber of patients with a variety of health problems (lo-
comotor diseases and injuries, hypothyroidism, sleep
disorders, urogenital infections, hemorrhoids, pro-
state function disorders, osteoporosis, dyspepsia,
constipation, cardiovascular disease, hormonal im-
balances, etc.) [28]. Some doctors reported that me-
chanical therapy could treat tuberculosis [24].
At the end of his life, Tesla emphasized the im-
portance of this discovery, calling it, at one moment,
his greatest contribution to human well-being [5].
He pointed out that combination of proper diet and
mechanical vibrations were a key to maintaining
health and prolonging life [5].
Nikola Tesla and Robotics in Medicine
Nikola Tesla was a pioneer in robotics [5]. He
used to say: “Every living being is an engine geared
to the wheel-work of the universe”. Interestingly,
especially from our perspective, the Socialist Fede-
ral Republic of Yugoslavia (SFRY) was one of the
few developing countries with its own medical elec-
tronics industry based on Tesla’s ideas [8].
In modern medicine, Tesla’s ideas have been used
for wireless power transfer for medical implants in
the human body [10]. Wireless remote control is most
often used for nerve functions in people suffering
from Parkinson’s disease and in patients with essen-
tial tremor [8, 10]. These devices are charged by re-
mote transmission of energy [10, 12]. Today, for the-
se purposes, most experiments include microwaves
[12]. In the same way, experimental studies are done
for implants controlling urination, respiration, vision
and hearing [8, 10]. In addition, wireless implant te-
chnology today is also used to control pumps for a
gradual drug dosage, as part of the treatment of some
chronic diseases and cancer, regulation of insulin
levels, managing the work of the diaphragm, heart
muscle, artificial hearts, cochlear prostheses, neuro-
prostheses, etc. [10].
Tesla’s idea of wireless transmission of energy pro-
vided a significant progress in fostering immobile pa-
tients [10]. Using Tesla’s invention of wireless control
of patients’ chairs and beds, patients are less dependent
on other people who take care of them, whereas
relatives, doctors and other medical staff are more
efficient, and the care itself is much easier and sim-
pler [10].
When asked who, in his opinion, were great pe-
ople, Tesla replied: “Great is a man who overarches
others with his gifts of mind and intellectuality, the
one that like a bee does with the honey gathers
knowledge and reveals new truths, but crowns his
efforts with love for humanity, which in return helps
him evade the burden of miseries that fear, famine,
ignorance, present disease. Not those who humili-
ate a man, but those who elevate him, who enrich
his spiritual heritage, helping his spiritual happine-
ss in process. Those are great”. [18]. Living with
this belief till the end of his life, this great man kept
on working on developing a system of telemechanics
and remote control, intuitively heralding the age of hu-
manoid robotics: “Long ago I conceived the idea of
constructing an automaton which would mechanically
represent me’’ [10]. He did it in 1896, and designed
a teleautomatic and automatic machine, which he
patented in November 1898 [7]. Using Tesla’s dis-
covery, robotic control systems were introduced
into the medical practice [8, 10]. Numerous medical
robots, as well as multi-purpose machines that meet
modern requirements of flexible automation, elimi-
nate manual work in the course of surgical inter-
vention [10].
Medical practice today uses all kinds of robotic
sensors (ambient, tactile, ultrasonic, laser sensors,
etc.) as well as all kinds of robotic systems for vi-
sualization (cameras, etc.) [10].
One of the ideas Tesla had no time to realize was
artificial blood circulation [5]. He started thinking
about it due to the illness of his close relative [5]. In a
letter written to the inventor George Comstock Baker,
on April 11, 1899, he requested an opinion about one
of his medical devices. Tesla wrote about his idea: “A
few years ago I came up with the idea to put a whole
body into a chamber, only the face would be exposed
to air. The chamber should have a door through which
the person would enter, and it would be hermetically
sealed. For the same reason, the window through whi-
ch the face would be put through should be lined with
rubber. If the chamber was made like this, the air in-
side it could be diluted or compressed. Now, if the air
is diluted, I believe that the blood of a person inside
the chamber would be drawn to the surface of the skin.
If the air is put back into the chamber under compre-
Vučević D, et al. Nikola Tesla and Medicine – Part II
398
ssion, the blood would rush back and we would get a
powerful pump that dilutes the air with each cycle to
a certain degree and that can be adjusted to dilute the
air as many times as the heart beats per minute. I also
thought about a device where the person’s pulse would
control the pump, so that it would pump the blood in
accordance with the heart rate” [5].
Medicine and Tesla’s Inventions in the Light of
Current Electromagnetic Culture
While interpreting problems of energy and man-
kind, Nikola Tesla asked himself: “Of all the endless
variety of phenomena which nature presents to our
senses, there is none that fills our minds with gre-
ater wonder than that inconceivably complex mo-
vement which, in its entirety, we designate as hu-
man life. Its mysterious origin is veiled in the fore-
ver impenetrable mist of the past, its character is
rendered incomprehensible by its infinite intricacy,
and its destination is hidden in the unfathomable
depths of the future. Whence does it come? What
is it? Whither does it tend? are the great questions
which the sages of all times have endeavored to
answer” [18]. The central topic of Tesla’s research
was how to obtain energy from nature [5]. After
extensive exploration of natural phenomena, Tesla
concluded: “If you want to find the secrets of the
universe, think in terms of energy, frequency and
vibration. When I think of all the inventions, inclu-
ding those in which I took part, I am fully convin-
ced that our Creator built this planet on the basis of
electromagnetics’’ [29] (Figure 3).
All Tesla’s inventions in physics and electrical
engineering were the result of the kind of intuition
that René Descartes described around 1628 in his
philosophical work “Rules for the Direction of the
Natural Intelligence“ (Latin - Regulae ad Direction
ingenii) [7, 30]. Attempting to explain intuition as
precisely as possible, Descartes defined it as an
innate light of reason (Latin - Ratione luce, French
- Innée lumière) [30]. Tesla was closest to Decartes
ideal in his fundamental discoveries in the field of
electromagnetism and related technologies [7]. In
1904, in “Note on Cabanellas Patent, No. 164995”
Tesla wrote about his inventive talent: “From time
to time, in rare intervals, Great Spirit of discovery
comes to the Earth to announce a secret that should
improve humanity. It selects the best prepared and
most honorable one, and whispers a secret to his
ear. Valuable knowledge comes like a flash of light.
When he understands its hidden meaning, he is
happy to see a miraculous change: a new world appe-
ars in front of his eyes and he barely recognizes any
similarity with the old one. This is not a passing
illusion, a mere game of his playful imagination or
a phantom of the mist that will disappear. The mi-
racles he sees, although far in time, will happen. He
knows that, with no shadow of doubt in his mind,
and feels it with every part of his body: It is a great
idea” [5] (Figure 4).
The four fundamental forces in the nature are gra-
vity, electromagnetism, weak, and strong nuclear forces
[7]. Electromagnetic force is of crucial importance for
the Second Industrial Revolution, and Nikola Tesla, the
main character of our story, was often credited with
starting it [7]. The background of the modern proce-
ss of globalization and global networking is the
information/communication technology, philosop-
hically known as “electromagnetic culture“ [7].
Tesla’s work is within the foundations of modern
electromagnetic culture [7]. Its main feature is high-
speed flow of information that corresponds with
Descartes ideal [7].
According to Tesla himself, he discovered a new
type of electromagnetic waves more than a century
ago, and called them non-Hertzian waves in order
to differentiate them from conventional, so-called
Hertzian electromagnetic waves [31]. Non-Hertzian
waves, called Tesla waves, have properties that ca-
nnot yet be measured, as they are still beyond obser-
vations and measurements [31]. However, science
only recognizes electromagnetic waves, experimen-
tally proven in 1888 by Hertz [31]. In his Canadian
Figure 3. Tesla’s famous electric motor (induction mo-
tor) constructed in 1887. It is the best machine for con-
verting electrical energy into mechanical energy ever.
A rotating magnetic field invented by Tesla in 188, is a
key principle in the operation of this ‘’wheel of modern
age’’. It is almost noiseless device with high efficiency
(95 %). Source: www.wikipedia.org
Slika 3. Teslin čuveni elektromotor (indukcioni motor)
konstruisan 1887. godine. To je do sada najbolja mašina
koja pretvara električnu energiju u mehaničku. Radi na
principu obrtnog elektromagnetnog polja, koji je Tesla
otkrio 1882. godine. Popularno je nazvan „točak mo-
dernog doba“. Gotovo je bešuman. Ima stepen korisnog
dejstva 95 posto. Izvor: www.wikipedia.org
Med Pregl 2016; LXIX (11-12): 391-401. Novi Sad: novembar-decembar. 399
patent 142,352 “Art of transmitting electrical ener-
gy through the natural mediums”, Tesla wrote the
following: “It is necessary to employ oscillations in
which the rate of radiation of energy into space in
the form of Hertzian or electromagnetic waves is
very small. To give an idea, I would say that the
frequency should be smaller than twenty thousand
per second, though shorter waves might be practi-
cable. The lowest frequency would appear to be six
per second, in which case there will be but one
node, at or near the ground-mate. and, paradoxical
as it may seem, the effect will increase with the
distance and will be greatest in a region diametri-
cally opposite the transmitter” [25]. In addition,
Tesla predicted an extremely fast progress of scien-
ce in the future: ”The day science begins to study
non-physical phenomena, it will make more progre-
ss in one decade than in all the previous centuries
of its existence” [32].
In 1900, Nikola Tesla announced the connection
between the human body and electromagnetism [33].
This realization has led to the creation of magnetic
resonance imaging devices of invaluable importance,
because they can detect diseases at an early stage and
thus extend the human life [33]. Tesla’s numerous
inventions in the field of electromagnetism in the late
19th and early 20th century have also opened the
door to the development and implementation of other
modern technologies in medicine [5, 7, 10, 31, 34].
Tesla’s views that the entire Cosmos acts on the prin-
ciple of vibration and resonance are the basis of the
modern theory of strings [34] and the backbone
of microwave resonance therapy [28, 33, 35, 36]. That
is one of the reasons why Tesla has been considered
the founder of quantum medicine, bearing in mind
that he was the first to use high-frequency waves to
improve health. His holistic approach to scientific re-
search has constantly attracted great interest of the
scientific community. Thus, inspired by Tesla’s inven-
tions, an American physician, Dr. Raymond Rife, fo-
und that cells exposed to some form of energy of
appropriate frequency, absorb the energy through the
resonant elements of their structure. If the absorbed
energy exceeds a certain limit, the cells are de-
stroyed. This was also a motive to design and imple-
ment the “frequency generator“, which became very
popular in a short time [37].
Tesla realized that human body is a complex elec-
tromagnetic network [8]. He thought that if we af-
fected the biological flow within our body, we could
increase our energy potentials or take care of some
“short circuits“ [8]. The same principle goes for
acupuncture [8]. However, although acupuncture
and other kinds of energy treatment were known to
ancient civilizations, and changed forms and types
of application through centuries, energy healing
becomes a subject of scientific research in the 20th
century, through electroacupuncture, quantum
physics and cyber technology [29]. Thus, it has been
established that disharmony in the human energy
field precedes pathological changes at the cellular
and organ levels [29].
Before beginning the treatment, it is necessary
to start changing one’s consciousness, which in
practice means changing habits at the conscious
level [29]. Nikola Tesla was a forerunner in resear-
ching the phenomenon of consciousness [38–41].
He argued that memory in the classical sense does
not exist and that the information is “causing” a
strong visual, thought and language associations
[40–42]. He also pointed out that the ability of the
brain to “translate” the senses in the real world,
observations of numerous frequencies from the en-
vironment (light, sound, heat and physical vibrati-
ons), would be more logical if the brain was a holo-
gram [40]. Not many researchers know that Tesla
had never written down a single formula in electri-
cal engineering [43]. All his discoveries were made
after meditation and altered state of consciousness [43].
Tesla was actually focused on specified addresses on
the level of collective consciousness [43, 44]. He
Figure 4. Tesla on the cover of the American journal
“Electrical Experimenter“, in 1919, which published a
series of Tesla’s articles that constitute a unique autobi-
ography ‘’My inventions’’ Source: http://electricalexpe-
rimenter.com/n10electricalexperi06gern.pdf
Slika 4. Tesla na naslovnoj strani američkog časopisa
Electrical Experimenter 1919. godine. U ovom časopisu
Nikola Tesla je u nastavcima objavio svoju autobiogra-
fiju „Moji izumi“. Izvor: http://electricalexperimenter.
com/n10electricalexperi06gern.pdf
Vučević D, et al. Nikola Tesla and Medicine – Part II
400
received extrasensory information directly from the
consciousness [43–47]. The information is then
transferred from the level of consciousness, or acu-
puncture system, to the nervous system crossing the
barrier of neural synapses of some eighty milli electron
volts [43]. Most people have insufficient energy at the
acupuncture system [43]. It is interesting to point out
that his motivation for inventions was so enormous that
he enhanced information on the invention in regard to
all the other information he received in the aforemen-
tioned manner, at the level of sensory consciousness
[43]. In addition, Tesla hoped to be able to photograph
a thought by detecting neural feedback to the retina
and emission of light [1].
The aim of the increasingly popular electrothe-
rapy is to detect disharmony in the human bioener-
gy field and to restore the natural balance and har-
mony [29]. This means maintaining the human
body and maximizing its potential, increase one’s
energy, mental clarity, support immunity to stress
and infections, emotional balance and good physical
condition [29]. Today scientists are “rediscovering“
the power of words, thoughts and mind, confirming
that words and thoughts can program the human
body [40–42].
Conclusion
Nikola Tesla was the last Renaissance figure of
the modern era. His outstanding inventions bridged
three centuries and two millennia, and the mankind
owes a huge debt of gratitude to Tesla. His extraor-
dinary enthusiasm and refined sense of beauty and
measure showed that all the noble ideas of the mind can
be realized only if the scientific and professional truth
seekers have the knowledge, endless patience, dignified
and curious spirit, professional responsibility and unli-
mited intellectual honesty. “The world will long have
to wait for a mind equal to Tesla’s, a mind of such cre-
ative possibilities and such wealth of imagination. What
is created is great, and, as time passes, it becomes even
greater“. Tesla’s life, enthusiasm, humanism and prin-
ciples will remain a lasting legacy for future gene-
rations around the world.
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