ScienceInsights

Teens need 8–10 hours of sleep, but most get far less. Here's why that matters for their mood, grades, and health—and what actually helps.

Learn how to tell a sinus infection apart from a cold or allergies, and what you can do to feel better while it runs its course.

Learn how many calories to burn through activity each day based on your goal, body weight, and lifestyle—plus realistic numbers from common exercises.

Learn which factors raise first trimester miscarriage risk, from chromosomal issues to lifestyle choices, and what's actually within your control.

Find the best bedtime for a 6 AM wake-up by working backward through 90-minute sleep cycles, so you rise feeling rested instead of groggy.

10-year-olds need more steps than adults. Learn how many steps kids this age should aim for daily and simple ways to help them get there.

Oil of oregano pills may help with bacterial balance, yeast overgrowth, and cold symptoms, but dosage and safety matter more than most people realize.

Leg nerve pain responds differently than muscle pain. Learn what causes it, which home treatments help, and when symptoms mean it's time to see a doctor.

Natural remedies like broccoli sprouts, garlic, and mastic gum may help fight stomach bacterial infections, including H. pylori.

A blood pressure of 125/82 is close to normal but not quite there. Learn what it means for your health and how to bring it down naturally.