Girth of a Nation
THE EVOLUTION OF OBESITY.
By Michael L. Power and Jay Schulkin.
Johns Hopkins Univ. Press. 392 pp. $40
The average American adult is now 23 pounds overweight. That’s according to Thomas Frieden, director of the Centers for Disease Control and Prevention, who spoke in July at a CDC conference on obesity in Washington, D.C. Obese Americans—those who have a body mass index of 30 or greater, a number calculated from an individual’s weight in relation to height—spend about 40 percent more on health care annually (nearly $1,500 per person) than people of normal weight. Obesity increases the risk of developing heart...