ScienceInsights

Shin splints cause pain along the lower leg, but they're manageable. Learn what's happening in your leg, how to treat it, and how to safely return to running.

Feeling cold all the time? From thyroid issues to low iron and poor circulation, here are the most common reasons your body struggles to stay warm.

10,000 steps is roughly 4–5 miles, burns 300–500 calories, and takes about 90 minutes. Here's what that really means for your health.

Vaginal dryness causes visible and internal changes to tissue, discharge, and moisture. Here's what those changes actually look like and how doctors identify them.

A persistent sour taste in your mouth is often linked to acid reflux, dry mouth, or medications — but here's when it's worth checking with a doctor.

PrEP has come a long way since early HIV research in the 90s. Here's how it developed, how it works, and how effective it is today.

The 8 mg dose of phentermine works differently than higher doses. Here's what the research says about its effectiveness and who it's best suited for.

Strawberries are rich in vitamin C and folate, plus useful amounts of other nutrients. Learn what's actually in them and how ripeness and storage affect nutrition.

A single DayQuil dose lasts 4–6 hours, but what about that bottle in your medicine cabinet? Here's what expiration dates actually mean for safety and effectiveness.

Most people take Ozempic long-term or indefinitely. Here's what the research says about typical duration, what stopping does, and the safety profile over time.