Weight loss is not just about behavior and willpower; it's biological. There is a coordinated mechanism in the body designed to prevent you from starving to death that makes weight loss difficult.

People are shifting further and further to the higher end of the weight spectrum.

If Americans were to make the effort to manage their weight using a variety of options, including better nutrition, more exercise, approved medications or even surgical approaches, we would be rewarded with significantly better health,

You start out massively over-eating because portions are larger, and things get activated in the brain and liver that fuel the upward movement in body weight,

So weight loss is not easy because the body is essentially working against you.

And the real trouble comes when people continue 'holiday eating mode' after the holidays, ... Weigh Less, Live Longer.