AMERICA'S OBESITY CRISIS
A tour of any mall or beach offers proof: two-thirds of Americans are overweight, and half are obese. What can be done? 57
EVOLVING TOWARD FAT: The ultimate reason for obesity may lie with ancestors who ate Atkins-like diets but lived like marathoners 58
WHY WE EAT: By hardwiring us to eat for social, biological and psychological reasons, nature stacks the deck against weight loss 72
FAT FIGHTERS: Experts battle the powerful forces that propel Americans to eat too much and move too little 78
THE SKINNY PILL: Pharmaceutical companies are...