ScienceInsights

Vascular dementia symptoms can look different from Alzheimer's. Learn the cognitive, physical, and behavioral signs, including early warning signs to watch for.

Random heart rate spikes are often harmless, but conditions like SVT or POTS can play a role. Here's what's likely causing yours and when to see a doctor.

Blurry vision, mild discomfort, and strict eye drop schedules—here's what the first 24 hours after cataract surgery actually looks like.

From honey and steam to the right OTC med, here's what actually helps a cough—and when it's time to see a doctor.

Simple, science-backed habits that actually reduce your cell phone radiation exposure — and the products you can safely skip.

Back pain that seems to come out of nowhere usually has a cause. Learn what's likely behind it and when it's worth seeing a doctor.

Hangover headaches have a distinct throbbing quality tied to dehydration and inflammation. Learn why they feel the way they do and how to ease them safely.

Learn what dyslexia testing involves, who can diagnose it, and what to expect from evaluation to next steps for your child.

Minoxidil affects hair growth cycles, thickness, and shedding even in healthy hair. Here's what to expect if you use it without hair loss.

Clearblue claims 99% accuracy, but that depends on when you test. Learn what affects reliability and how to get the most trustworthy result.