ScienceInsights

Moderate activity sits in a sweet spot for health benefits. Learn how to measure it, what counts, and how much you actually need each week.

Anorexia affects nearly every system in the body, from the heart and bones to hormones and mental health. Here's what the research shows.

A heart rate below 60 BPM isn't always a problem. Learn when it's normal, what symptoms suggest something's wrong, and how doctors treat bradycardia.

Mental fog often comes down to sleep quality, hydration, blood sugar, and screen time—here's what the evidence says actually helps.

Learn when to take charcoal pills, how to space them around food and medications, and what side effects to expect with regular use.

Tadalafil typically starts working within 30–60 minutes, but timing, food, and dosing method all play a role. Here's what to realistically expect.

Bartonella and Lyme disease are often confused, but they're caused by different bacteria, spread differently, and need different treatments.

Learn how HSV-1 and HSV-2 spread, why transmission can happen without symptoms, and what you can do to lower your risk.

Your liver processes alcohol at a fixed rate. Here's what actually helps you stay in control—and what popular myths get wrong.