ScienceInsights

Practical steps for aging solo, from legal documents and care costs to home safety and building a support network that keeps you independent longer.

A weird feeling in your left testicle can have many causes, from common varicoceles to rare emergencies. Here's what might be going on and when to see a doctor.

Ozempic can cause acne in some users, especially women. Here's what the research says about why it happens and how to manage breakouts.

There's no age when women stop having orgasms. Here's what actually changes over time, what gets in the way, and what can help.

Research shows women's preferences on penis size may surprise most men — and that size anxiety is far more common among men than women.

Learn what healthy blood sugar levels look like for fasting, after meals, and across different life stages, plus what shifts those numbers day to day.

Sex activates your brain's reward system, releases bonding hormones, and evolved to feel good for a reason. Here's the science behind human sexuality.

Learn how doctors diagnose and treat sinus infections, from symptom relief to when antibiotics are actually needed.

From salt water gargles to OTC options, here are the remedies that actually help clear a congested throat and when to see a doctor.

Quitting alcohol is genuinely difficult because of how it rewires your brain, disrupts key chemicals, and makes each attempt harder than the last.