ScienceInsights

Body aches can stem from infections, stress, poor sleep, or conditions like fibromyalgia. Learn what's likely causing your pain and what actually helps.

Cold sores are caused by the herpes simplex virus, which stays dormant until triggered. Learn what sets off outbreaks and how to manage them.

Vitamin E has the strongest evidence for fatty liver, but other vitamins play a role too — and one common supplement may actually cause harm.

Daily carb needs vary by person, but activity level, brain function, and food quality all shape your ideal range more than any single number.

Learn what bleeding, discharge, and recovery typically look like after a D&C, and when to call your doctor if something feels off.

Practical communication tips for connecting with a loved one who has Alzheimer's, from early confusion to late-stage memory loss.

Lyme disease is spread by just two tick species. Learn which ones, how to identify them, and what to do if you've been bitten.

Learn to identify the different types of pimple scars, from icepick and boxcar to keloid, and how they differ from post-acne color changes.

Beta blockers and blood thinners both treat heart conditions, but they work very differently. Here's what sets them apart and why it matters.

Learn how to set and communicate healthy boundaries with family, handle guilt, and stay firm when pushback comes.