ScienceInsights

Learn how to find your max heart rate using age-based formulas, self-testing, or a clinical stress test, and how to use it for smarter training.

A data-driven look at obesity rates in America, who's most affected, the health and economic costs, and how treatment options are evolving.

Learn how OCD is diagnosed, from clinical interviews and the Y-BOCS severity scale to self-screening tools and who can give you an official diagnosis.

Pregnancy tests detect a hormone called hCG, but the science behind those lines is more nuanced than most people realize. Here's how they actually work.

Learn how hepatitis B and C spread, why some infections turn chronic, and what that means for long-term liver health.

Sore gums can be relieved with a mix of OTC meds and home remedies like saltwater rinses and clove oil. Here's what actually helps.

Partial tooth costs vary widely by type and material. Compare dentures, flippers, bridges, and implants to find what fits your needs and budget.

When you're dehydrated, what you drink matters as much as how much. Learn which fluids rehydrate you fastest and how to use them safely.

High male libido is often driven by testosterone, age, and stress. Learn what's normal and how to handle mismatched sex drives in a relationship.

Period cramps can range from mild to debilitating. Learn why they happen and what actually helps, from heat and ibuprofen to yoga and diet changes.