Food insecurity, defined as not having reliable access to food, is a problem in America—particularly among children, who must rely on others to eat. But the much larger problem seems to be an epidemic of too many of us never feeling hungry. As I noted in chapter 3, more than 70 percent of the country is overweight or obese—a figure that’s projected to be 86.2 percent by 2030—and obesity takes an average of 5 to 20 years off a person’s life, according to a study in JAMA.
