ScienceInsights

Not all hernias need immediate surgery. Learn when watchful waiting is safe and when delaying repair could lead to serious complications.

Discover which foods can help lower blood pressure, from beets to potassium-rich produce, and how the DASH diet brings it all together.

Learn the key warning signs of prostate cancer, from urinary changes to bone pain, and why early stages often cause no symptoms at all.

Learn what heart rate numbers are normal at rest and during exercise, and when a fast heart rate may need medical attention.

Your urinary system does more than remove waste. Learn how it balances fluids, regulates blood pressure, and keeps your body running smoothly.

From Abreva to honey, here are the cold sore treatments that actually help — and a few things you should keep away from them.

You may feel better after 48 hours, but stomach bugs like norovirus can still spread to others for weeks after symptoms clear up.

Clove oil can ease toothache pain for a few hours, but how you apply it matters. Learn how long relief lasts and when it's time to see a dentist.

Pyrantel pamoate works mostly in your gut and barely enters your bloodstream. Here's how it acts, how long effects last, and what to expect after a dose.

Green tea may support heart health, blood sugar, and more. Here's what the research says about its real benefits and how much you need to drink.