ScienceInsights

Runny eggs can carry salmonella risk, but your chances depend on storage, egg type, and your health. Here's what you should know before your next breakfast.

Antiviral creams, prescription pills, and patches can all help—but acting at the first tingle makes the biggest difference in how fast a cold sore heals.

Teen sleep changes are mostly normal, but sometimes signal something more. Learn what's driving your teen's sleep habits and when to talk to a doctor.

Milk, certain drinks, and water-rich foods all contribute to hydration. Here's what the science says about your best options beyond plain water.

Official case counts underestimate true COVID spread. Seroprevalence data reveals most people have been infected, with children and some regions hit hardest.

Dealing with phlegm in your throat? Learn simple, effective ways to clear it up, from salt water gargles to staying hydrated and knowing when to see a doctor.

32 oz of coffee puts you near or over the daily caffeine limit. Here's what that means for your sleep, health, and whether it's worth adjusting.

Swollen legs and feet can stem from vein issues, heart or kidney conditions, medications, and more. Learn what's likely causing yours and how to find relief.

Loose skin after weight loss depends on more than just how much you lose. Learn what actually affects skin elasticity and what you can do about it.

Feeling numb during sex can stem from medications, nerve issues, hormones, or stress. Here's how to identify what's behind it and what can help.