ScienceInsights

Learn how often herpes outbreaks occur in men, why frequency decreases over time, and how treatment and triggers affect recurrences.

Boba tea can contain surprising amounts of sugar. Here's where it comes from, how flavors and toppings compare, and simple ways to cut back.

Find out how many calories you burn while sleeping, what affects your overnight burn rate, and how sleep quality shapes your metabolism.

Antipsychotics for dementia carry real risks. Here's what the evidence says about safer options, how long to use them, and why non-drug care comes first.

Advil and Tylenol both reduce fever, but the better choice depends on your age, health, and other medications you're taking.

Learn how to take consistent body measurements to track your fitness progress, estimate body fat, and get a clearer picture of your health over time.

Labor epidurals combine local anesthetics and low-dose opioids to relieve pain. Learn what's actually in the mixture and why dosing matters most.

A heart rate below 60 bpm isn't always a problem, but it can be. Learn what causes low heart rate, when symptoms signal danger, and how it's treated.

A fasting blood sugar of 108 mg/dL sits in prediabetes range, but it doesn't mean diabetes is inevitable. Here's what it means and what to do next.

Science-backed ways to feel better faster when you have a cold, from sleep and hydration to which supplements and medications are actually worth it.