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Excessive Smartphone Use Is Associated With Health Problems in Adolescents and Young Adults

Frontiers
Frontiers in Psychiatry
Authors:

Abstract

Background and Aims: This present paper will review the existing evidence on the effects of excessive smartphone use on physical and mental health. Results: Comorbidity with depression, anxiety, OCD, ADHD and alcohol use disorder. Excessive smartphone use is associated with difficulties in cognitive-emotion regulation, impulsivity, impaired cognitive function, addiction to social networking, shyness and low self-esteem. Medical problems include sleep problems, reduced physical fitness, unhealthy eating habits, pain and migraines, reduced cognitive control and changes in the brain's gray matter volume. In Conclusion: Excessive smartphone use is associated with psychiatric, cognitive, emotional, medical and brain changes that should be considered by health and education professionals.
MINI REVIEW
published: 28 May 2021
doi: 10.3389/fpsyt.2021.669042
Frontiers in Psychiatry | www.frontiersin.org 1May 2021 | Volume 12 | Article 669042
Edited by:
Yasser Khazaal,
University of Lausanne, Switzerland
Reviewed by:
Marco Di Nicola,
Catholic University of the Sacred
Heart, Italy
Jung-Seok Choi,
Seoul Metropolitan Government -
Seoul National University Boramae
Medical Center, South Korea
*Correspondence:
Aviv M. Weinstein
avivweinstein@yahoo.com;
avivwe@ariel.ac.il
Specialty section:
This article was submitted to
Addictive Disorders,
a section of the journal
Frontiers in Psychiatry
Received: 17 February 2021
Accepted: 26 April 2021
Published: 28 May 2021
Citation:
Wacks Y and Weinstein AM (2021)
Excessive Smartphone Use Is
Associated With Health Problems
in Adolescents and Young Adults.
Front. Psychiatry 12:669042.
doi: 10.3389/fpsyt.2021.669042
Excessive Smartphone Use Is
Associated With Health Problems
in Adolescents and Young Adults
Yehuda Wacks and Aviv M. Weinstein*
Department of Behavioral Sciences, Ariel University, Ariel, Israel
Background and Aims: This present paper will review the existing evidence on the
effects of excessive smartphone use on physical and mental health.
Results: Comorbidity with depression, anxiety, OCD, ADHD and alcohol use disorder.
Excessive smartphone use is associated with difficulties in cognitive-emotion regulation,
impulsivity, impaired cognitive function, addiction to social networking, shyness and
low self-esteem. Medical problems include sleep problems, reduced physical fitness,
unhealthy eating habits, pain and migraines, reduced cognitive control and changes in
the brain’s gray matter volume.
In Conclusion: Excessive smartphone use is associated with psychiatric, cognitive,
emotional, medical and brain changes that should be considered by health and
education professionals.
Keywords: internet addiction, smartphone addiction, problematic smartphone use, internet use disorder,
excessive smartphone use
INTRODUCTION
Excessive Smartphone Use in Young Adults
The effects of excessive use of computer screens and smartphones are raising serious concerns
among health and educational authorities due to negative effects of such use in children and
adolescents. Recent reviews have argued that the evidence supporting excessive smartphone use
as an addictive behavior is scarce. In particular, Billieux (1) have argued that there is insufficient
evidence for behavioral and neurobiological similarities between excessive smartphone use other
types of addictive behaviors. Panova and Carbonell (2) also argued that there is insufficient evidence
to support for the diagnosis of smartphone addiction and finally Montag et al. (3) have argued that
excessive smartphone use is a form of Internet Use Disorder. The smartphones are being used for
various purposes such as gaming, Social Network Services (SNS), watching video clips (YouTube).
Therefore, excessive use of smartphones may have difference characteristics according to the type
of smartphone use. This present paper will review the existing evidence on excessive smartphone
use, and it will discuss its similarities with and differences from Internet addiction.
METHODS
A PubMed Central R
and Web of Science search engines have been used with the terms: “excessive
smartphone use” and “smartphone addiction” until February 2021 that resulted in 84 research
studies in English language.
Wacks and Weinstein Excessive Smartphone Use
Predictors of Excessive Smartphone-Use
The main factors predicting excessive smartphone use were
being female, preoccupation, conflict, and use for ubiquitous
trait whereas the protective factor was use for learning (4).
Excessive use of smartphones was correlated with impairment
in the function of the family and relationship with friends,
impulsiveness, and low self-esteem in South Korean adolescents
(5). Finally, smartphone gaming was associated with excessive
smartphone use among adolescents (6).
Sensation Seeking and Boredom
Turgeman et al. (7) have reported an interaction between high
sensation seeking and abstinence whereby abstinence for 1.5 h
increased excessive smartphone use ratings in high sensation
seeking students. This may be explained by boredom, avoidance
of uncomfortable situations and the need for entertainment
(812). Lepp et al. (13) have found an association between
excessive smartphone use and living sedentary life or being an
“active couch potato. “Ben-Yehuda et al. (14) have investigated
the effects of involvement and of interest in three conditions:
state of boredom, passive activity and active activity in counter-
balanced order in University students. Excessive smartphone use
was not influenced by any interest or involvement in the lecture,
indicating a compulsive behavior. Finally, Li et al. (15) have
demonstrated that individuals with an external locus of control
had less control over their smartphone use and therefore could
have more negative effects such as poor sleep quality, lower
academic achievements, and lower ratings of well-being.
Insecure Attachment, Poor
Cognitive-Emotional Regulation
and Communication Problems
Insecure attachment positively correlated with problematic
smartphone use in students with unhealthy family function
but not with mother-infant bonding or maternal mental health
(16). Eichenberg et al. (17) showed an association between
excessive smartphone use and an insecure attachment style
in Problematic adolescent users. A following study reported
high scores in maladaptive Cognitive-emotion regulation (CER)
strategies such as self-blame, blaming of others ruminating
and catastrophizing thoughts (18). Experiential avoidance (i.e.,
attempts to avoid thoughts, feelings, memories and physical
sensations) has been associated with excessive smartphone use
and social networks (19). Childhood emotional maltreatment
correlated with problematic smartphone use in adolescents, and
it was mediated by body image difficulties, depression, and
social anxiety (20). Emotion regulation difficulties, unregulated
eating, restrained eating, food addiction, and higher percent
body fat were associated with excessive smartphone use
among adolescents (21). Mahapatra (22) showed a strong
association between both lack of self-regulation and loneliness on
problematic smartphone use among adolescents that ultimately
resulted in family, interpersonal conflicts, and poor academic
performance. Among students, problematic smartphone users
have shown high measures of worry and anger (23) whereas
excessive reassurance seeking behavior mediated the association
between rumination and problematic smartphone use (24). Poor
communication skills were shown in Medical students who
preferred to communicate emotions through texting rather than
verbal communication (25) and they correlated with excessive
smartphone use (26). Excessive use of the smartphone has
negative impacts on people’s lives by reducing face-to-face
interactions, and increasing loneliness (27).
Impaired Cognitive Function
Problems in inhibitory control mechanisms in excessive
smartphone users were reported (28). They have reported that
while performing on the Go/NoGo task excessive smartphone
users showed a negative N2 event-related potentials (ERPs)
component showing reduced inhibitory control. There is
further evidence for impaired attention, reduced numerical
processing capacity, increased impulsivity, hyperactivity and
negative social concern in heavy smartphone users (29). Heavy
smartphone users showed. Inattention problems correlated with
Transcranial Magnetic Stimulation (TMS) evoked potentials
in the right prefrontal cortex. Wegmann et al. (30) have
found no correlations between problematic social networks use
and executive function and inhibitory control measured by
the Go/NoGo task. However, regression analyses showed that
increased problematic social networks use is associated with
higher impulsivity, especially if executive functions or specific
inhibitory control were impaired.
Social Media Use and Personality
Problematic social media use has been shown to be associated
with “fear of missing out” (FOMO) (31,32). FOMO mediated
relations between both fear of negative and positive evaluation
with both problematic and social smartphone use. Withdrawal
and FOMO ratings were higher among participants with 72 h
restricted access to smartphones compared with those without
(33). There was a correlation between Social communication
use and excessive use of smartphones. FOMO mediated the
relationships between anxiety and depression with problematic
smartphone use (24,34). Excessive smartphone use has
been associated with social comparisons on social networking
sites and perceived stress (35). Personality factors such as
conscientiousness, openness, emotional stability and neuroticism
have been associated with problematic smartphone use (36,
37) whereas impulsivity, excessive reassurance seeking, but not
extraversion related to problematic smartphone use in other
studies (38,39).
Comorbidity With Anxiety, Depression
OCD, ADHD and Alcohol Use Disorder
There are several studies on the comorbidity of excessive
smartphone use and mental disorders and its association with
sleep problems, reduced fitness and pain. Excessive smartphone
use has been associated with depression, anxiety (40,41) and
social anxiety (7,4244) shyness and low self-esteem (512,12
47) low psychological well-being (48) and low mental well-being
(49). Excessive reassurance seeking correlated with problematic
smartphone use severity, and its combination with rumination
mediated the relationship between depression and anxiety
Frontiers in Psychiatry | www.frontiersin.org 2May 2021 | Volume 12 | Article 669042
Wacks and Weinstein Excessive Smartphone Use
severity with problematic smartphone use (50). Anxiety during
the COVID-19 epidemic correlated with severity of problematic
smartphone use, depression and generalized anxiety (51).
Early problematic smartphone use was found as a significant
predictor of depression in a three-year longitudinal study from
adolescence to emerging adulthood (52). Excessive mobile use
was associated with high levels of depressive moods, with
loneliness serving as a moderator of this mediation particularly
in men (53). Depression and anxiety were significantly associated
with both excessive smartphone use (54). Depressive mood and
suicidal ideation were associated with social network smartphone
use (55). Interestingly, the time spent in excessive smartphone
use has predicted the level of stress in users who hardly used
the smartphone for self-disclosure whereas those who engaged in
disclosure of their emotions and problems online, this reduced
their emotional problems (56). Problematic smartphone use
has been associated with psychological distress and emotion
dysregulation and emotion dysregulation was shown as a
mediator in the relation between psychological distress and
problematic smartphone use (57). Excessive smartphone use
has been also associated with Obsessive Compulsive Disorder
symptoms (58) and ADHD (59,60).
History of alcoholism and father’s education level explained
26% of the variance of problematic smartphone use (60).
In addition, alcohol use disorder, impulsivity (Barratt scale
and ADHD) and elevated occurrence of PTSD, anxiety, and
depression were associated with excessive smartphone use (61).
Finally, the relationship between PTSD severity and problematic
smartphone use was mediated by negative urgency (a component
of impulsivity) (62).
Medical Complications- Sleep, Physical
Fitness, Eyesight, Migraine and Pain
Excessive smartphone use was associated with reduced sleep
time and sleep quality in adolescents (63). The association
between media use in bed before sleep and depression was
mediated by sleep disturbance (64,65). Furthermore, there was
an association between excessive screen time and problems in
sleep onset (66), insufficient sleep (67), and insomnia (68). Long-
term problematic mobile use predicted new incidences of sleep
disturbances and mental distress, which was ameliorated by its
discontinuation (69). Excessive mobile phone use correlated with
disturbed sleep pattern and quality (70) Excessive smartphone
use was associated with poorer sleep quality and higher perceived
stress (71,72), lowered physical activity, lower muscle mass and
higher fat mass (73). Other medical conditions include acquired
comitant esotropia (AACE) (74) increased ocular symptoms
(75), headache complaints (76,77) and headache duration
and frequency in migraine patients (78). Young chronic neck
pain patients with overuse of smartphones had higher Cervical
Disc Degeneration (79). Finally, excessive smartphone users
had higher median nerve Cross sectional areas (CSAs) in their
dominant hands (80).
Brain Imaging
A recent study has used diffusion MRI for assessment of white
matter structural connectivity, and it has shown a positive
association between activity in the right amygdala and excessive
smartphone use in adolescents (81). Excessive smartphone users
have shown impairment in cognitive control during emotional
processing of angry faces and social interaction in fMRI (82).
They also showed reduced functional connectivity in regions
related to cognitive control of emotional stimuli including reward
(83). Reduced Gray Matter Volume (GMV) was shown in
problematic smartphone users and negative correlations between
GMV in the right lateral Orbito Frontal Cortex (OFC) and
measures of smartphone addiction (84). Lower activity in the
right anterior cingulate cortex (ACC) and a negative correlation
between individuals with excessive smartphone use and both
ACC GMV and activity was reported (85). Furthermore, the
strength of the resting state functional connectivity (rsFC)
between several brain regions in fMRI positively correlated with
smartphone time in bed (86). Finally, exposure to smartphone
pictures in fMRI was associated with activation of brain regions
associated with drug addiction and correlations of these regions
with smartphone addiction scores were reported (87).
Supplementary Table 1 shows details of the studies reviewed
in this paper.
DISCUSSION
There have been several reviews in recent years that have
discussed the issue whether excessive smartphone use is
considered a behavioral addiction (1,2). In addition, studies
have examined whether there are differences between excessive
smartphone use and Internet use disorder (IUD). Montag et al.
(3) have proposed that excessive smartphone use is essentially
a type of IUD. In this sense, IUD should be divided into two
types of use: a mobile use and a non-mobile use. They have
suggested that there is a specific use of IUD of a particular content
and a generalized IUD where several channels are overused.
The rationale for this division is that motivation, cognitive
and affective factors predispose individuals to prefer a specific
application and type of device.
However, there is little empirical evidence in support of these
assumptions (88,89). Although there may be small differences
between some mechanisms and risk factors underlying online
behavioral addictions, such as pornography use, gaming disorder
and social network use, the resemblance between them is very
strong (90). In addition, there are few studies that have examined
whether specific cognitive and motivational mechanisms could
lead to a preference of a specific type of device. Nevertheless,
recent studies show that excessive use of the screens including,
computer screens and smartphones is associated with serious
mental problems and cognitive impairments (91,92). Therefore,
we argue that research should focus on the negative consequences
of excessive smartphone use rather than on whether it should be
considered as a behavioral addiction.
Recent studies show that excessive smartphone use is
associated with problems of mental health and impaired
psychological well-being. There is consistent evidence for
comorbidity between excessive smartphone use and other
psychiatric disorders, such as depression, anxiety, OCD, and
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Wacks and Weinstein Excessive Smartphone Use
ADHD similar to Internet addiction (93). In addition, excessive
smartphone use is related to loneliness, stress, and other negative
emotions (56,94).
In addition to these psychological consequences, the excessive
use of smartphones can potentially lead to impairments of
cognitive functions. Such excessive use is related to impairments
of specific attention domains (such as focused attention and
divided attention), low inhibitory control, impaired working
memory, reduced numerical processing capacity, and changes
in social cognition. Since cognition and emotion are often
intertwined it is not surprising that a common cognitive-
emotional mechanism related to loss of control would be
associated with impulsiveness, impairment in communication
and relationship with friends and family.
Recent studies have also shown an association between
an excessive use of smartphones and abnormal activity of
regions in the prefrontal cortex and in the networks that
connect to these regions (29,82). Novel findings show reduced
lateral orbitofrontal gray matter, especially in social networking
platforms overuse and that prolonged bedtime smartphone
use has been associated with altered insula-centered functional
connectivity. Gray matter volume reduction was observed also
in the anterior cingulate similar to Internet and gaming disorder
(95). Excessive smartphone use has also been associated with
reduced cognitive control during the emotional processing in
the brain.
The effects of excessive use of the media including TV,
computer screens and smartphones is raising serious concerns
among health and educational authorities due to deleterious
effects of such use in children and adolescents. A recent study
has shown an association between increased screen-based media
use and lower microstructural integrity of brain white matter
tracts that are associated with language and literacy skills in 5-
year-old pre- school children, (96). Furthermore, a large study
of 4,277 adolescents has shown a negative correlation between
screen media activity and cortical thickness in fMRI implying
premature aging of the brain (97). Finally, young adults and
heavy media “multi-taskers” are more susceptible to interference
from irrelevant environmental stimuli and from irrelevant
representations in memory, and they performed worse on a task-
switching ability (98). The findings so far that span from early
childhood to adolescents, rapidly growing societal phenomena,
emphasize the need to assess the effects of media screens on
cognitive function and the brain in children, adolescents and
young adults.
Excessive smartphone use shares underlying mechanisms with
other addictive behaviors such as gambling disorder, in particular,
reduced cognitive control and impaired activity in the prefrontal
cortex which affects decision-making and emotional processing
(99). Addictions in adolescents share the tendency to experience
poor emotional regulation, impulsivity and impaired cognitive
control and reduced ability to experience pleasure in everyday
life (100).
The major limitations in studies of excessive smartphone use
and Internet addiction are that they are mainly cross-sectional
studies without baseline measures and rely on associations
between structural and functional changes in the brain and
subjective measures and no proof of a causal role in the
development of the adolescent or adult brain. Finally, the
review is non-systematic and it has excluded non-English
language articles.
Summary
The excessive use of the smartphone has been associated
with impaired cognitive functions and mental health problems.
There are unique findings on the association between using
smartphones, need of constant stimulation, deficits in everyday
cognitive functioning and brain changes which should send
alarm signals to clinicians and educators in the modern world.
AUTHOR CONTRIBUTIONS
All authors listed have made a substantial, direct and intellectual
contribution to the work, and approved it for publication.
SUPPLEMENTARY MATERIAL
The Supplementary Material for this article can be found
online at: https://www.frontiersin.org/articles/10.3389/fpsyt.
2021.669042/full#supplementary-material
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Conflict of Interest: The authors declare that the research was conducted in the
absence of any commercial or financial relationships that could be construed as a
potential conflict of interest.
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... Aggressive behavior is the behavior in which an individual intends to harm another person or an object. [7][8][9] The relationship between smartphone dependence and physical health has been extensively studied. A study conducted in Korea found that smartphone addiction affects physical and psychological health. ...
... 14 Another study conducted in Turkey found that loneliness had a significant impact on smartphone addiction and aggression behavior. 8 Previous research in this area has primarily focused on the biological, social, and emotional characteristics of smartphone-addicted users. However, findings have provided insufficient information about how to prevent smartphone dependency that leads to social problems such as aggression. ...
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... These patterns should be repeated continually for the child's brain to develop the necessary cells for intellectual, cognitive and social skills. (Wacks & Weinstein, 2021) The shift from computer to smartphone use has increased the use of smartphones in the home, and its effect on parent-child facial relationships. Raudaskoski, Mantere and Valknen (2017), asserts that the smartphone use in families has effects on children as it takes away parental gaze (attention) and offers less information about digital use, that is, a child cannot tell what parents are doing on the phone (Personalized use). ...
... Children imitate parents in daily activities within the family, characters on TV, or any other social personae. This imitative ability of a child includes a complex process of development in the brain and development of intellectual skill ( Theriault 2019;Wang, Williamson & Meltzoff, 2015). It is difficult for a child to interpret what activity is taking place, when a parent is engaged on the phone and cannot understand what the gestures portray. ...
... Problematic smartphone use is reported to be detrimental to mental health of adolescents as it is reported to instigate depression, worry, emotion dysregulation, intellectual loss and mental conditions (Wacks & Weinstein, 2021). Attention and focus weaknesses caused by overuse of smartphones may reduce the ability of people to carry out tasks that require complete concentration as intellectual faculties are no longer functioning at optimal levels. ...
... Smartphone overuse was also identified as exhibiting some similarities with a gambling disorder problem which manifest in deficiencies in decision making and processing of emotionality. Adolescents who are excessive users of smartphones are poor at controlling or regulating emotions, weak in self-restraint, impaired concentration performance, impulsive and deficient in cognitive regulation and their capacity to feel and enjoy delight in life is greatly reduced (Poujol et al., 2022;Wacks & Weinstein 2021). ...
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... The ease of constant connectivity and the variety of applications offered by a smartphone causes addiction to smartphones when used in an unproductive manner (Ge et al. 2023). Although the specific problems related with the overuse of Internet and smartphone are not fully understood, but include: (a) psychological issues like procrastination, sleep disturbance, anxiety, poor memory, and lack of concentration; (b) social issues like relationship malfunction, and (c) physical issues like harm from accidents, and bad posture (Tian et al. 2021;Wacks and Weinstein 2021). In addition, a preponderance of research findings demonstrates that overuse of smartphone was associated with poor academic performance and lower work productivity (Amez and Baert 2020; Sunday, Adesope, and Maarhuis 2021). ...
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... China is the country with the largest number of smartphone users, accounting for 63.4 % of the world's total smartphone users, according to data (Newzoo, 2020). Commonly used between the ages of 9 and 17 (Wacks & Weinstein, 2021). Based on the prevalence of smartphone users in Indonesia, it is conceivable that it will surpass China, India, and the United States to become the country with the fourth largest number of active smartphone users in the world (Statista Research Department, 2023). ...
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... Mobile phone dependence has been associated with a range of physical and mental health issues. Existing studies have shown that mobile phone dependence was related to lower psychological wellbeing (Kumcagiz and Gunduz, 2016), health problem (Wacks and Weinstein, 2021), lower social skills and emotional intelligence (Scott et al., 2017), lower self-esteem (Hong et al., 2012), unhealthy behavior (Kim and Han, 2020), academic performance (Troll et al., 2021), impulsivity, and sleep quality, depression and anxiety (Elhai et al., 2019;Li et al., 2020;Wang et al., 2022). Thus, to better understand the reason for students' mobile phone dependence, it is important to explore the factors that might be associated with such dependence and the underlying psychosocial mechanisms. ...
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