ScienceInsights

Plantar fasciitis causes heel pain that's often worst in the morning. Learn what's actually happening in your foot and how most people recover.

Apple Watch uses heart rate, motion, and your personal stats to estimate calories burned. Here's how it works and how accurate those numbers really are.

Dreams are shaped by brain activity, emotions, and memory. Here's what science knows about why we dream and what common dreams might mean.

Most people with lupus today live a normal lifespan. Learn what affects survival, from kidney health to race, and what actually helps people do well long-term.

From OTC pain relievers to cold compresses and ginger, here's what actually helps stop a migraine and when to seek medical care.

Ear pain on flights is caused by pressure changes, but simple techniques like swallowing, decongestants, and pressure earplugs can help.

Light sleep does more for your body than you might think. Learn how much you actually need and when it signals a deeper sleep issue.

Blood types come down to proteins on your red blood cells — and they affect more than just transfusions, from clotting risk to gut bacteria.

IBS treatment depends on your symptom type. Here's how different medications work for constipation, diarrhea, and pain, and how to find the right fit.

Learn how to become a medical marijuana patient, from checking qualifying conditions to registering with your state program and keeping your card active.