ScienceInsights

Bananas are usually heart-healthy, but for people on certain medications or with kidney disease, their potassium can cause real problems.

From saltwater rinses to prescription antibiotics, learn which treatments actually help swollen gums and when it's time to see a dentist.

At 2 months, babies need 14–17 hours of sleep daily. Here's what to expect from naps, nights, and tired cues.

Herpes symptoms typically appear within 2 to 12 days of exposure, but many people never notice them. Here's what to expect and when to get tested.

ADHD testing in children involves behavioral ratings, interviews, and ruling out other conditions — not brain scans. Here's what the process looks like.

A split in the middle of your bottom lip has specific causes — from nutritional gaps to habits that reopen the crack. Here's how to finally let it heal.

Honey has real health benefits, from soothing coughs to fighting bacteria, but it's not a cure-all. Here's what the science actually says.

Persistent body aches and fatigue often trace back to sleep, stress, iron levels, or immune issues. Here's what might be going on.

Four months is a good time to start sleep training. Here's how methods like Ferber, the Chair Method, and Pick Up Put Down actually work at this age.

Brown recluse bites often go unnoticed at first, then progress through distinct stages. Here's what the bite actually feels like and how to tell it apart from lookalikes.