ScienceInsights

Sudden blood pressure drops can happen for many reasons, from standing up too fast to dehydration. Learn what causes them and what to do.

Taking ibuprofen and Tylenol together is generally safe and can relieve pain more effectively than either one alone — here's what you need to know.

Heart disease kills hundreds of thousands of Americans each year. Here's what the latest data shows about who's most affected and why rates are rising in younger adults.

White dots on your skin can come from several causes, including fungal growth, sun damage, or vitiligo. Here's how to tell them apart.

Puffy eyes got you down? Learn why they happen and simple home remedies like cold compresses and tea bags that actually help reduce swelling.

Thinking about getting evaluated for autism as an adult? Here's what the process actually looks like, from finding the right clinician to what happens after a diagnosis.

A resting heart rate below 60 bpm is considered low, but whether that's healthy depends on your age, fitness level, medications, and symptoms.

Stage 4 pancreatic cancer survival varies widely. Learn what the statistics actually mean and which factors can influence how long someone may live.

A broken blood vessel in your eye looks alarming but is usually harmless. Learn what causes it, how it heals, and when to see a doctor.

Your daily water needs depend on more than habit. Learn how to find the right amount for your body, lifestyle, and health.