Obesity increases susceptibility to H1N1 flu, a new study finds. It may help clarify why diseases like the flu and COVID-19 affect people differently.

Evidence that fat-burning neurons can grow in response to leptin suggests a potential way to promote weight loss, say researchers.

School closures in the US mean no gym classes. That could fuel a spike in childhood obesity. "Public health interventions are urgently needed."

Despite concerns about the potential for making their kids overly concerned about weight, most parents say they're not against tweens using health apps.

"...we believe it may be possible to control obesity and the complications of obesity by better regulating inflammation."

Feeding babies solid food too early may change their gut bacteria in ways that can lead to health risks later.

Children whose grandparents raise them may have an increased risk of childhood obesity, a new study shows.

Plant-based diets may be best for cutting your risk for heart disease, according to new research that finds eating protein-rich foods may do the opposite.

Eating more protein than the daily recommendations indicate probably won't do anything for you—unless you're losing weight or building muscle.

The American Heart Association guidelines for heart disease risk should include where a person carries excess weight on their body, a new study suggests.