ScienceInsights

On keto, your body needs more sodium than usual. Learn how much to aim for daily and easy ways to get there through food and seasoning.

Skipping sleep does more damage than you might expect. Here's what actually happens to your brain, heart, and immune system when you don't get enough rest.

Some supplements may help lower cortisol levels. Learn which ones have research behind them and how to pick the right option for you.

Learn how your blood forms clots, from platelet response to fibrin scaffolding, and how your body controls and clears them when healing is done.

Simple, science-backed habits to help you feel more alert in the morning, from light exposure and cold water to better sleep timing.

Learn which doctors can prescribe Adderall, what to expect at your evaluation, and how telehealth has changed access to ADHD treatment.

Learn what's known about benign brain tumor risk factors, from genetics and radiation to hormones and age patterns.

Raising HDL cholesterol is possible, but some methods work far better than others. Here's what the evidence actually says.

Learn how to balance protein, fat, and carbs for weight loss, including a practical starting split and how to adjust it to fit your body and lifestyle.

Heart health goes beyond avoiding heart attacks. Learn the key numbers, habits, and daily choices that keep your cardiovascular system working well.