ScienceInsights

A high heart rate can be harmless or a sign of something worth checking out. Learn what BPM ranges are normal, what raises your heart rate, and when to see a doctor.

Low libido often has a cause you can address. Learn how hormones, diet, exercise, and stress affect sex drive and what actually helps.

Stomach aches have many causes, from stress and food intolerances to infections. Learn what your symptoms might mean and when to seek medical care.

Gout has some distinct visual signs, from red swollen joints during a flare to firm white lumps called tophi that develop over time.

From ice at the first tingle to antiviral creams and natural remedies, here's what actually helps cold sores heal faster.

Buttock pain can stem from sitting too long, sciatica, piriformis syndrome, and more. Learn what's likely causing yours and when to seek care.

Learn what actually helps during an arrhythmia episode and how treatments like medications, ablation, and lifestyle changes can reduce how often they happen.

Learn what diabetes is, how insulin works, and the key differences between Type 1, Type 2, and gestational diabetes — plus symptoms to watch for.

Learn what actually causes a hamstring pull, who's most at risk, and what you can do to protect yourself from this common muscle injury.

Scalp pain and tender hair can stem from tight hairstyles, migraines, stress, or skin conditions. Here's what's likely causing it and how to find relief.