Why won't a pill make me skinny?

Over the years, Americans have become more obsessed with weight loss, but not much healthier as more than one-third of U.S. adults are obese. So why can't we find a drug?

Source: http://rss.cnn.com/~r/rss/cnn_health/~3/iCXnvvZ6sEM/index.html

muscle health