Oprah Winfrey discusses GLP-1 weight-loss medications and obesity as a disease, challenging long-held misconceptions about willpower and food addiction.

Berkeley declares a health emergency after a leptospirosis outbreak forced homeless encampment evacuations. Multiple rats and dogs were infected with the disease.

Nutrition experts support the return of whole milk to schools, citing brain development benefits. Studies have linked higher milk fat to lower child obesity.

Experts say forcing a 6 a.m. wake-up isn’t healthy for everyone. Your chronotype affects sleep quality, mood and health more than waking early.

Scientists discover microgravity in space could help fight drug-resistant superbugs by creating unique viral mutations, according to a new study.

Updated dietary guidelines shift focus to whole foods away from refined grains, with nutrition experts weighing in on saturated fat and protein limits.

Canadian researchers say a blood test measuring immune response to gut bacteria could help predict Crohn’s disease years before diagnosis.

A review of recent studies suggests exercise may treat depression as effectively as therapy or antidepressants, offering an accessible mental health treatment option.

RFK Jr. reshaped CDC's vaccine panel with new appointees, sparking debate over childhood immunization policy changes and vaccine safety recommendations.

A Stanford AI model trained on nearly 600,000 hours of sleep data can assess future risk for dementia, heart disease and more using one night of sleep, researchers say.

Groundbreaking flu transmission study reveals zero infections despite close contact between healthy volunteers and flu-positive students for two weeks.

Clinical trials show retatrutide, Eli Lilly's new triple-agonist drug, delivered 24.2% weight loss in 48 weeks and the improvement of other conditions in longer studies.

New research reveals poor sleep shortens life more than diet or exercise. Psychiatrist Dr. Daniel Amen shares what happens to the brain with inadequate sleep.

Brain imaging studies shed light on why humans have chewed gum for 8,000 years with research showing chewing activates regions tied to attention and stress regulation.