Add Yahoo as a preferred source to see more of our stories on Google. For decades, common wisdom and public health messaging have assumed that people in highly developed nations, like the United ...

In every single state, researchers expect at least 35% of adults to have a body mass index of 30 or higher, the threshold ...

For years, medical experts have defined obesity primarily based on body mass index, which measures stored fat by calculating height and weight, to determine a person’s health risks. Major public ...

There are few diagnostic terms in medicine more stigmatized than “obesity,” which affects 41.9% of U.S. adults over 20, according to the Centers for Disease Control and Prevention. But many doctors ...

Experts at a roundtable in Boston, Massachusetts, on November 19, 2025, discussed multidisciplinary strategies for obesity ...

Adults living with obesity face a 70% higher risk of being hospitalized or dying from an infectious disease compared with those at a healthy weight, according to a large multicohort study published in ...

Researchers say negative childhood experiences such as physical abuse, sexual abuse, neglect, bullying and parents divorcing may increase the risk of obesity in children and adults.

It turns out your mouth may know more about your metabolism than your bathroom scale. New research shows that people with ...

Ghrelin is a hormone your stomach makes that signals your body when you're hungry. You might think of it as an "on switch" for appetite. Your small intestine, pancreas, and brain also release small ...

The number on your scale could increase your odds of developing this advanced liver disease. Here’s how to lower your risk. Keep reading to learn about the link between obesity and MASH and how to ...

Recently, an international commission proposed a revised definition of obesity that focuses on how excess body fat affects the body, and factors in waist circumference, rather than simply calculating ...