Vinegar shots. Cookie meals. Baby food. Many stars are embracing strange new diets — and it seems the crazier the better.

America has become addicted to exotic juices — supposed miracle potions that offer health and happiness by the pint. But do such drinks really live up to their claims?

The pounds we gain during the colder months tend to linger long after we shed our layers and welcome warmer temperatures. Here's how to keep them off in the first place.