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.

Here’s the thing: Weight loss isn’t just about nutrition and exercise. (But those things are important!) “It also depends on your age, gender, and starting weight,” says obesity expert Matthew Weiner, ...

Your defended weight range can gradually shift upward through hormonal, metabolic, environmental, and microbiome-driven changes that push the body toward higher weight. Questions about why weight gain ...

For decades, people have been told that their weight problems can be solved by math: Calories in, calories out. If weight were a simple math equation, more people would likely be the weight they ...