Growing consumption of increasingly less expensive food, and especially "fast food", has been cited as a potential cause of increasing rate of obesity in the United States over the past several decades. Because the real minimum wage in the United States has declined by as much as half over...

In the past three decades, the number of obese adults in the United States has doubled and the number of obese children almost tripled, which may lead to increased medical expenditures, productivity loss, and stress on the health care system. Economic analysis now shows that weight gain is the...