Obesity in America: It’s Getting Worse

Abstract

Nearly two-thirds of adult Americans are overweight or obese. Despite the attention of the health profession, the media, and the public, and mass educational campaigns about the benefits of healthier diets and increased physical activity, the prevalence of obesity in the United States has more than doubled over the past four decades.1 Add the relatively few Americans who practice the habit of regular physical activity to the many who practice the habit of “super-sizing,” and it is no revelation why this has occurred. We have inherited our genetic makeup from our ancestors, hunters and gatherers who ate diets rich in low-fat meats and grains, who had to stalk and capture the entrée for dinner. During times of feast, their bodies were designed to store nutrients as adipose tissue to be used for fuel to survive periods of famine. We are descended from these survivors, and we …