The findings come at a time when one in five Americans report that their diets are 'not very healthy' or 'not healthy at all.

Back in the 1800s, obesity was almost nonexistent in the United States. Over the last century, it's become common here and in other industrialized nations, though it remains rare among people who live ...

Each new year, many people resolve to change their diets, and some decide explicitly to lose weight. But going too hard on our new regimens – and in particular, “diet stacking”, where multiple diet ...