ScienceInsights

Blisters are caused by friction and moisture, but the right shoes, socks, and a few simple habits can keep your feet comfortable and blister-free.

Eggs are a solid source of protein, but how much exactly? Learn what's in the white vs. yolk, how size matters, and how eggs stack up to other foods.

Puberty timing varies a lot between teens, and penile development often continues well into your late teens. Here's what's actually normal at 16.

Celiac disease diagnosis involves blood tests, biopsies, and more — and you need to keep eating gluten for accurate results.

Medicare Savings Programs can cover your premiums, copays, and deductibles if you qualify. Here's what the income and asset limits look like and how to apply.

If your sex drive feels overwhelming, here's what the evidence says actually helps — from lifestyle changes to therapy and medication options.

Your ears mostly clean themselves, but certain habits can cause wax buildup. Learn what actually helps and what to avoid.

If your surgical wound has opened back up, here's what to do, when to worry about infection, and what to expect from healing.

Ozempic is FDA-approved for type 2 diabetes and does more than lower blood sugar. Here's how it works, its benefits, and what to expect.

Learn what healthy cholesterol numbers actually look like, from LDL and HDL to triglycerides, and how to make sense of your lab results.