ScienceInsights

Herpes tests go by different names depending on your situation. Here's what PCR, IgG, and viral culture tests actually mean and when each one is used.

Spermicide irritation usually clears up within a few days, but here's how to tell if your symptoms need more attention.

A healthy resting heart rate for adults typically falls between 60 and 100 bpm, but your ideal number depends on age, fitness, and more.

High estrogen can affect both men and women differently. Learn the common symptoms, what causes levels to rise, and how it's diagnosed and managed.

Green stool is usually harmless and linked to food or digestion speed, but here's when it might signal something worth checking out.

Cancer causes symptoms like fatigue and pain through real biological processes — from competing for nutrients to disrupting hormones and blood cell production.

Seborrheic dermatitis doesn't fully go away in adults, but flares are manageable. Learn how long outbreaks last and what keeps them coming back.

Slow erections are often about nerves, habits, and blood flow. Here's what actually helps, from pelvic floor exercises to staying hydrated.

Simple diet and lifestyle changes that can help reduce everyday gas and bloating, plus when symptoms might point to something worth checking out.

Stage D is the most advanced form of heart failure. Learn about its symptoms, treatment options like LVADs and transplants, and what the prognosis looks like.