This is especially important to middle-aged Americans who typically witness a jump in weight.

Considering the fact that 60 percent of adult Americans are overweight or obese, this is a finding that affects a large percentage of the adult population in this country.

A person's activity level is a better predictor of weight gain and loss. In other words, for those wishing to lose weight, changing your diet may not be enough.

There is an urgent need for improved therapies for weight loss assistance in the United States. The country is currently facing an obesity epidemic. This health crisis can also be linked a variety of associated disorders, including skyrocketing diabetes rates and heightened heart and stroke risks. Clearly, by attacking the obesity issue, we may be able to prevent many other life-ending illnesses.

We've all been told at one point in our lives that we should avoid eating meals late at night as it will lead to weight gain.

Eating at night is no more likely to promote weight gain than eating during the day.