ScienceInsights

Saunas might help prevent colds, but using one when you're already sick carries real risks—especially if you have a fever or get dehydrated.

Fetal hydrocephalus can stem from genetics, infections, brain bleeds, and structural defects. Learn what causes fluid buildup and what it means for your pregnancy.

Asthma chest pain often feels like tightness or pressure, not sharp pain. Learn what causes it, how it differs from heart pain, and when it eases up.

Anxiety chest pain is common and usually harmless, but knowing how it differs from cardiac pain can help you stay calm and recognize when to seek care.

Daily ibuprofen can quietly harm your stomach, kidneys, and heart over time. Here's what the risks look like and what to try instead.

Cold water shock can be dangerous, but the right preparation makes a real difference. Learn how to protect yourself before and after entering cold water.

Soy may ease hot flashes for some women, but the evidence is mixed. Here's what research actually says about soy, menopause, and safety concerns.

Dark chocolate has real benefits for blood vessels, but its potassium, phosphorus, and oxalates make portion size matter a lot for kidney health.

Learn how pediatricians test toddlers for UTIs, from spotting early symptoms to collecting a urine sample and understanding what the results mean.

Your weight shifts by several pounds throughout the day. Here's why morning is your most reliable baseline and what that number actually tells you.