Researchers developed a model showing gut bacteria can significantly affect how many calories the body absorbs from food.

How the models differ in practice In the set point model, a fixed body weight defense point is assumed, with deviations triggering compensatory responses, like changes in appetite or energy ...

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 ...

More than 40% of U.S. adults live with obesity, increasing the risk of diabetes, heart disease, and certain cancers. While many people succeed in losing weight initially, studies show that more than ...

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 ...