ScienceInsights

From metformin to tirzepatide, here's how common type 2 diabetes medications compare and how to choose based on your health needs.

The day before ovulation tends to give the best odds of conception. Here's what the research shows about timing sex within your fertile window.

That dizzy feeling when you stand up has a name and real causes — from dehydration to nerve issues. Here's what's happening and when to see a doctor.

Edibles can last 6–8 hours or longer. Here's what shapes the timeline, why they hit differently than smoking, and what to do if effects feel too strong.

Identifying which ear is causing your vertigo helps guide treatment. Learn how doctors test for it and what symptoms to track at home.

Learn what healthy blood sugar numbers look like for adults, including fasting levels, post-meal targets, A1C goals, and what changes during pregnancy or with diabetes.

Appendix rupture typically happens within 36 to 72 hours of symptoms, but timing varies. Here's what affects the timeline and when to seek care.

Sertraline doesn't work overnight. Here's what to expect in the first few weeks, why it takes time, and how to tell if it's actually helping.

Antibiotic eye drops require a prescription, but some OTC options can ease pink eye symptoms depending on the cause.

Butter and margarine both have pros and cons. Here's what the current science says to help you make a practical choice for your health.