By 2010 35.7% of American adults were obese and about 17% of children and adolescents were obese
Michael Jordan was 6’6” and 216 pounds and considered overweight
An athlete the same weight, but who is 5’10” and very muscular would have a BMI of 30, which is considered obese
> 35” waist is associated with increased risk
Factors contributing to metabolic rate include age, height and weight, gender, muscle mass, stress, illness, altitude, temperature, hormones
In a new study published in the September issue of the American Journal of Clinical Nutrition (Am J ClinNutr September 1, 2012 vol. 96 no. 3 492-497), researchers found that the 3 most common lifestyle factors driving people to eat are alcohol consumption, television and sleep deprivation. Reward saliency is a wanting, a desire for (in this case food) that induces motivational behavior to obtain food. As the wanting increases (as in drug seeking behavior) the “liking” decreases.
Jeffrey Friedman, MD PhD is a lead researcher in the field of obesity and his research led to the discovery of leptin. Leptin is a hormone which increases the desire to be physically active and at the same time suppress appetite. Leptin is released by adipose tissue, the more fat, the more leptin and the greater the suppression of appetite. But, tissues can develop a resistance to leptin, just as tissues can develop a resistance to insulin.
Examples of NEAT activities are fidgeting, toe tapping and pacing. The term NEAT was coined by Dr. James Levine
In July this year, 2013, the United Nations announced that Mexico was now the most populous obese nation, with nearly 70 percent of Mexican adults are overweight, and childhood obesity in the country has tripled within the past decade.
Age-Adjusted Prevalence of Obesity and Diagnosed Diabetes
Among U.S. Adults Aged 18 Years or older
Obesity (BMI ≥30 kg/m2)
CDC’s Division of Diabetes Translation. National Diabetes Surveillance System available at
favor fat accumulation
• store energy
increased tendency to be sedentary
• conserve energy
diminished ability to use dietary fats as fuel
• save stored energy
Increased capacity to store body fat
• store energy
Dr. James Levine