ScienceInsights

Learn the signs of liver problems, from easy-to-miss early symptoms to visible body changes, and when to see a doctor for testing.

Recurring rashes often come down to a few common causes, from skin barrier issues to hidden triggers. Here's how to figure out what's going on.

At 8 weeks, your baby has tiny fingers, forming facial features, and a beating heart. Here's what's developing and what to expect on an ultrasound.

One-sided mouth drooping is often Bell's palsy, but knowing when it signals a stroke matters. Learn the causes, treatments, and recovery steps.

Reacting to a hair product? Learn how to soothe your skin, spot the warning signs, and avoid future reactions.

Learn why eyes puff up and what actually helps, from cold compresses and sleep positions to when a doctor visit makes sense.

Genital herpes is far more common than most people realize. Here's what the latest data shows about who's affected and why cases are likely undercounted.

Daily water needs vary by person, but here's how to figure out the right amount for your body, activity level, and climate.

Moxifloxacin clears your system in about 12–16 hours, but age, diet, and other factors can affect how long it stays in your body.

Vivid dreams and nightmares are common during pregnancy. Learn why they happen, when they peak, and simple ways to sleep a little more peacefully.