ScienceInsights

Recurring tongue bumps are usually harmless, but the cause matters. Learn what's likely behind them and when it's worth seeing a doctor.

Heart palpitations are usually harmless premature beats, but here's what causes them, why you notice them more at times, and when to see a doctor.

Fungal infections can be stubborn, but the right treatment and a few habit changes make a real difference. Here's what actually works.

One-month-olds typically sleep 14–17 hours a day in short stretches. Here's what's normal, what to watch for, and how to keep sleep safe.

Comforting someone over text is tricky. Learn what to say when a friend is sad, what to avoid, and how to offer real support in a few honest words.

Constant throat clearing is often linked to post-nasal drip, silent reflux, or even habit. Learn what's causing yours and how to find relief.

Learn what temperature counts as a high fever in babies, how age affects when to seek care, and which symptoms mean it's time to call the doctor.

Brown discharge after your period is usually just old blood clearing out. Learn what's normal and simple ways to support your body through it.

Heart attack symptoms vary more than most people expect. Learn what the warning signs actually feel like, including subtle signs many people miss.

A missed period can have many causes beyond pregnancy, from stress and diet changes to PCOS and thyroid issues. Here's what might be going on.