ScienceInsights

From brain chemistry to heart rate, here's what's actually happening inside your body during and after sex, including why some people feel worse afterward.

Scopolamine patches prevent motion sickness by blocking nerve signals in the brain. Learn how they work, their side effects, and whether they're right for you.

A partial molar pregnancy is a rare pregnancy complication. Learn how it forms, what symptoms to watch for, and what treatment and recovery look like.

Resting heart rate varies by age, fitness, and more. Learn what numbers are considered normal and how to check your pulse accurately at home.

Learn what Apgar scores measure, what different score ranges mean for newborns, and how much they actually predict about long-term health.

Ashwagandha may support weight loss indirectly by reducing stress and cortisol, but the evidence is modest. Here's what the research actually shows.

Tooth pain relief options ranked by effectiveness, from combining ibuprofen and acetaminophen to home remedies that actually hold up to scrutiny.

Practical ways to ease shortness of breath, from breathing techniques and body positions to knowing when symptoms need urgent medical attention.

Depression can look different than you'd expect. Learn the real signs, from emotional numbness to cognitive fog, and how to tell if what you're feeling goes beyond sadness.

At 4 weeks pregnant, your embryo is tiny but busy. Learn what's actually developing, why symptoms start, and what to expect from early testing.