Childhood BMI trends — specifically moderate BMI and high BMI variability — were associated with high cortisol concentrations at 17 years of age.

Kennedy Jr.'s push to reduce America's reliance on processed foods and pharmaceuticals has also struck a chord.As RFK Jr.

Robert F. Kennedy Jr., Tulsi Gabbard and Kash Patel are each set to appear before lawmakers during a pivotal day of confirmation hearings Thursday.

Robert F. Kennedy Jr. ‘s bid to be the nation’s top health official is uncertain after a key Republican joined Democrats to raise concerns over the nominee's skepticism of childhood vaccinations.

Kennedy’s bid to serve as America’s top health official may be decided by a handful of Republicans, including several senators who questioned him Thursday.

A new study finds that three quarters of American adults and half of adolescents are too heavy. That's making more of us sick and creating enormous health care costs.