ScienceInsights

Learn which symptoms signal that Covid is getting worse, from breathing changes to fever patterns, and when it's time to seek emergency care.

Babies drop things on purpose, and it's actually a sign of healthy development. Here's what they're learning each time something hits the floor.

Prescription drug misuse often starts with self-medication. Learn what drives people to misuse opioids, sedatives, and stimulants, and who is most at risk.

Tight back muscles can ease up with the right approach. Learn how heat, stretching, and a few lifestyle tweaks can bring real relief.

Dry eyes at night often come down to lower tear production, screen habits, dry air, or eyelid issues — plus practical ways to find relief.

That crawling, restless feeling has real causes — from anxiety and dopamine to iron deficiency and medications. Here's what might be behind it.

Crying when yelled at is a real physiological response, not a weakness. Learn why your brain and nervous system trigger tears under stress.

From social pressure to nutrient gaps, here are the real reasons most people abandon veganism and what helps others stay the course.

Alcohol addiction rewires the brain in ways that make quitting feel impossible, even for people who love their families deeply.