ScienceInsights

Oral antifungals work best for nail fungus, but the right treatment depends on your situation. Here's what the evidence actually says.

Testing too early can give misleading results. Learn when hCG levels are high enough to detect pregnancy reliably and how to get the most accurate result.

Most adults do well on 15–17 hours of wakefulness. Beyond that, sleep deprivation starts affecting your brain and body in measurable ways.

A blood pressure of 136/83 puts you in Stage 1 hypertension territory, but one reading isn't a diagnosis. Here's what it means and what to do next.

Meningitis can be caused by viruses, bacteria, fungi, and more. Learn how each type differs and which ones vaccines can help prevent.

Most cancers use a 4-grade system based on how abnormal cells look, but grading varies by cancer type and isn't the same as staging.

An itchy, red armpit usually comes down to a handful of common causes—from deodorant reactions to fungal infections—and most are easy to treat at home.

UTI pain relief options explained, from antibiotics and OTC meds to hydration, heat, and foods to avoid while you recover.

Learn how to remove plaque at home with the right brushing technique, flossing habits, and products — plus when you need a professional cleaning.