Scientists are uncovering how the volume of food on your plate affects appetite and satiety—challenging the idea that cutting portions is the most effective strategy.

For years, everyone believed weight loss came down to one rule: eat less. Sometimes, the “move more” caveat was added. Now everyone, from cyclists to experts, including obesity researchers, ...

I swore I was not going to nap again. But the yawn escaping my lips and my weepy eyes tell me otherwise—I am exhausted, again, this week. It is barely 6:00 p.m. on a Tuesday, and most of the week ...