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 ...

Most people think of weight loss as a math problem: calories in versus calories out. In reality, your body sees it as a survival threat. When calorie intake falls or body fat decreases, biological ...

Maintaining and managing weight can be tough. Over 42 percent of adults and 18.5 percent of children and adolescents in the United States have obesity. Overweight and obesity may be associated with ...