Philip Maffetone

Biofeedback has long been recognized, studied, and implemented by researchers, practitioners, and individuals as valuable assessment, therapeutic, and lifestyle approaches. This paper reviews various biofeedback methods that are applicable to chiropractors and other manual therapists. While traditional electromyographic (EMG) and electroencephalogr...

In a relatively short timeframe, millions of deaths and illnesses associated with COVID-19 have been reported, accompanied by substantial economic losses, and overall, negatively impacting society. This experience should serve as a wakeup call to those in public health and healthcare, along with politicians and citizens: COVID-19 is considered a pr...

Purpose: This randomized controlled parallel-group study examined the effects of a very low-carbohydrate high-fat (VLCHF) diet and high-intensity interval training (HIIT) program over 12 weeks on visceral adipose tissue (VAT) and cardiorespiratory fitness (CRF) level in overfat individuals. Methods: Ninety-one participants were randomly allocated t...

Constitutional thinness: body fat metabolism and skeletal muscle are important factors - Phil Maffetone

The earliest humans relied on large quantities of metabolic energy from the oxidation of fatty acids to develop larger brains and bodies, prevent and reduce disease risk, extend longevity, in addition to other benefits. This was enabled through the consumption of a high fat and low-carbohydrate diet (LCD). Increased fat oxidation also supported dai...

The previously described overfat pandemic, estimated to be 62–76% worldwide, is comprised of individuals with excess body fat sufficient to impair health. The overfat condition is common in those who are overweight and obese, and can also occur in significant numbers of normal-weight non-obese individuals. Being overfat increases the risk for a wid...

Background It is commonly assumed that increased dietary fat and/or caloric excess induces chronic inflammatory processes, since the association between obesity and chronic adipose tissue with systemic inflammation has been shown previously. As far as we know, the reported health benefits of a VLCHF or ketogenic diet have not adequately involved an...

The full spectrum of the overtraining syndrome.

The purpose of the study was to examine the effects of altering from habitual mixed Western-based (HD) to a very low-carbohydrate high-fat (VLCHF) diet over a 4-week timecourse on performance and physiological responses during high-intensity interval training (HIIT). Eighteen moderately trained males (age 23.8 ± 2.1 years) consuming their HD (48 ±...

Based on the prevalence of overweight, obesity, and excess abdominal fat, it is estimated that in India 70 to 80% of adults and 41% of children are overfat. The increased consumption of processed foods, especially dietary sugar, which can also offset the benefits of exercise, may play a primary contributory role in the growing overfat pandemic in I...

The overfat condition is defined as excess body fat sufficient to impair health. The problem exists in most overweight and obese individuals and can also occur in those who are normal-weight and non-obese, often due to excess abdominal fat. Despite previous indications that the prevalence overweight and obesity is leveling, these conditions are cur...

The Boston Marathon course is deemed ineligible for world record status due to its unidirectional nature and excessive negative elevation change, yet performance times across the World Marathon Majors (WMM) races have not been compared. Purpose To compare finish times across WMM races for Boston, London, Berlin, Chicago and New York Marathons. Me...

Editorial-The Boston Marathon: Time to be record-eligible. (DOCX)

Data underlying results, analysis, and figures. (ZIP)

While most endurance athletes and coaches recommend higher training loads and high-carbohydrate low-fat diets, some studies report benefits of lower intensity training for performance improvements and a low-carbohydrate high-fat eating plan. We present the case of a 38-year-old female professional/elite Ironman triathlete who presented with decreas...

The global overfat pandemic is a serious public health crisis that places a substantial burden on economic resources in developed countries. The term overfat refers to the presence of excess body fat that can impair health, even for normal weight non-obese individuals. Excess body fat is associated with cardiometabolic dysfunction, a clinical situa...

For the first time in human history, the number of obese people worldwide now exceeds those who are underweight. However, it is possible that there is an even more serious problem—an overfat pandemic comprised of people who exhibit metabolic health impairments associated with excess fat mass relative to lean body mass. Many overfat individuals, how...

This article draft has been replaced by a published article: https://www.frontiersin.org/articles/10.3389/fphys.2020.00296/full

All marathoners, from fast to last, predict their race pace, usually by comparing shorter race times, time trials, previous marathons or " gut " feelings. But studies show that the best predictor of race performance may be submaximal performance. The importance of accurate prediction is more than a game — it can help monitor training progress, incr...

While the words " fit " and " healthy " are often used synonymously in everyday language, the terms have entirely separate meanings. Fitness describes the ability to perform a given exercise task, and health explains a person's state of well-being, where physiological systems work in harmony. Although we typically view athletes as fit and healthy,...