NEW ORLEANS - American doctors have tried just about everything to combat the country's obesity epidemic - diet, exercise, surgery.
But for some people, the answer could be as simple as a good night's sleep.
Since the 1960s, as Americans have gained weight, they've also lost an average of 90 minutes of sleep every night.
Mackie Shilstone explained how our sleep habits can affect weight gain, and he'll tell us how to maximize the time we do get to sleep.
You can find more health and fitness advice from Shilstone on mackieshilstone.com.