ScienceInsights

Research on pornography is more nuanced than headlines suggest. Here's what science actually says about its effects on the brain, relationships, and sexual health.

Canker sores usually heal on their own, but the right remedies can ease pain faster and help prevent them from returning.

Smoking raises lung cancer risk by 25 times, but quitting helps. Here's what the research says about tobacco, cancer risk, and recovery.

Sore after a workout? Here's what actually helps recovery, from foam rolling and hydration to sleep and a few surprises.

Most Zoloft side effects ease within a few weeks, but some linger longer. Here's what to expect and when to check in with your doctor.

Upper back pain is often caused by muscle strain or poor posture, but it can sometimes point to something more serious. Here's how to tell the difference.

Cooling your skin fast and moisturizing early are your best bets for reducing sunburn peeling, but sometimes it can't be avoided entirely.

Chlamydia often causes no symptoms in men, but when it does, here's what to look for, when to get tested, and how it's treated.

Maintaining 160 pounds depends on more than weight alone. Learn how activity, height, age, and body composition shape your daily calorie needs.

From genetics and stress to diet and scalp conditions, here are the most common reasons young men lose hair and how to tell them apart.