CLAIM We instinctively know what is healthy for us and what is not. Everyone knows that eating fruits and vegetables is a good thing, that having a handful of nuts (but not too many) might be okay for our hearts or that fried foods and sweets are bad. FACT Nearly 40 percent of American adults are obese and another 30 percent are overweight.* No sleep = no leptin. Leptin is the hormone that get released when you get enough quality sleep. No leptin = no appetite suppressant for