ScienceInsights

See how your VO2 max compares to other men your age, why it predicts longevity, and practical ways to improve it.

From salt water gargles to honey, here are practical remedies that can soothe a scratchy throat and when it's time to see a doctor.

Learn how early Alzheimer's symptoms differ from normal aging, from memory lapses to mood changes, and when it's time to talk to a doctor.

That satisfying feeling after a good poop comes down to nerves, brain chemicals, and pressure relief — and there's real science behind it.

Creatine is one of the most studied supplements, but concerns persist. Here's what the science actually says about its real side effects and safety.

Practical, evidence-based strategies for supporting a child with ADHD, from building routines and school accommodations to sleep, exercise, and diet.

Dealing with sun poisoning? Learn how to soothe your skin, stay hydrated, and recover at home — plus when it's time to see a doctor.

Learn what normal and abnormal pregnancy discharge looks like, from early implantation bleeding to the mucus plug, and when to call your doctor.

Learn how to safely care for a second degree burn at home, from cooling the skin to spotting infection and knowing when to see a doctor.

Learn safe, practical ways to remove dead skin from your feet at home, from soaking and pumice stones to foot peels and moisturizing.