ScienceInsights

Golden urine is usually just a sign of dehydration, but diet, supplements, and rarely liver issues can also be the cause. Here's how to tell the difference.

PrEP and PEP are two effective HIV prevention medications. Learn how each works, their side effects, and how to access them.

Nasal steroid sprays work better than antihistamines for allergy congestion. Learn which treatments actually clear a blocked nose and when to see a doctor.

Learn how to count carbs accurately using nutrition labels, the carb choice system, and net carb math — including how to handle fiber and sugar alcohols.

Learn how to practice kapalbhati breathing safely, what it does to your body, and who should skip it.

Magnum condoms are slightly wider than standard sizes, but not everyone needs one. Here's how to find the right condom fit for comfort and protection.

Nail fungus has specific causes and risk factors. Learn what lets fungi take hold and how to know if that's really what you're dealing with.

Learn which foods provide steady energy throughout the day, from complex carbs and protein to healthy fats and key micronutrients, without the crash.

Stress triggers headaches through muscle tension, hormone shifts, and serotonin changes. Here's what's actually happening in your body and how to find relief.

Protein, fiber, sleep, and a few simple habits can help you feel fuller longer by working with your body's natural hunger signals.