ScienceInsights

Swollen, painful feet have many possible causes. Learn what's likely behind your symptoms and which signs mean you should see a doctor soon.

Low blood pressure can stem from dehydration, medications, heart issues, or simply standing up too fast. Here's what's actually behind the drop.

Learn how chlamydia testing works for men, from urine samples to swabs, plus when to test and what to do after a positive result.

Autism rates keep climbing, but better diagnosis, broader criteria, and genetics all play a role. Here's what the science actually says.

Your gut cleans itself naturally. Learn how fiber, water, and probiotics support digestion—and why detox teas aren't worth your money.

From diet and exercise to genetics and sleep, many everyday factors shape your blood pressure — here's what the science says.

Learn what implantation bleeding typically looks like, how it differs from your period, and when it makes sense to take a pregnancy test.

Sperm can survive up to 5 days inside the body. Here's what happens to them, whether they can cause pregnancy, and what it means for fertility.

From heat therapy and exercise to magnesium and TENS machines, here are practical ways to ease period cramps that actually have evidence behind them.

Quitting porn affects your brain in real, measurable ways. Here's what the science says about recovery, mood, relationships, and sexual function over time.