ScienceInsights

From anxiety to personality disorders, here's a plain-language look at seven common categories of mental disorders and how they can overlap.

Skin pain in one spot with no visible cause is often nerve-related. Learn what conditions like shingles, neuropathy, or trapped nerves can feel like.

Learn what resting heart rate numbers are considered high for women, why they differ from men, and when it's worth talking to a doctor.

Benzo detection times vary widely by drug type, test used, and how long you've been taking them. Here's what the evidence actually shows.

Learn how much vitamin D3 men actually need daily, what the latest guidelines recommend, and how to get the most from your supplement.

Losing 10 pounds in a month is possible, but most of it won't be fat. Here's what's actually happening in your body and what to expect.

Morning dizziness has several causes, from inner ear issues to low blood pressure. Learn what's behind yours and how to find relief.

Heart disease remains the leading cause of death in the U.S., but the biggest killers shift significantly depending on your age.

The standard acetaminophen limit is 4,000 mg per day, but staying closer to 3,000 mg is safer for most people—especially if you drink alcohol or take combo medications.

Simple, evidence-based ways to clear mucus from your throat at home, from salt water gargles to sleep position and when to see a doctor.