Brown discharge after your period is usually just old blood, but hormonal changes, ovulation, or certain conditions can also play a role. Here's what to know.
Cold-weather running affects your lungs, heart, and muscles more than you might expect. Here's what's actually happening in your body and how to stay safe.
Autism affects millions of Americans, and diagnoses keep climbing. Here's what the latest data shows about who's being diagnosed and why the numbers are changing.
Learn what blood pressure levels are dangerous for older adults, why even moderate readings matter, and how seniors can monitor and manage hypertension safely.