Plastic surgeons group calls for delaying gender-affirming surgery until age 19

Study questions whether women need a mammogram every year

US vaccine advisers say not all newborns need a hepatitis B shot at...

Prostate cancer screening: what you need to know

Prostate cancer screening should not be offered to most UK men

CDC quietly changes vaccine and autism stance after years of controversy

Aspirin can prevent a serious pregnancy complication -- but too few women get it, new report suggests