ScienceInsights

Sick with Influenza A? Learn how to treat symptoms at home, when antivirals help, and what signs mean it's time to see a doctor.

Ozempic can aid weight loss, but it comes with real trade-offs—from muscle loss and digestive issues to eye risks and rebound weight gain.

Breast cancer affects millions worldwide. Here's a clear look at global and U.S. case numbers, survival rates by stage, and racial disparities in outcomes.

Learn how your heart pumps blood, what each chamber does, and how electrical signals keep everything beating in rhythm.

Skin cancer can be flat, raised, or crusty depending on the type. Learn what each common form looks like and which changes are worth showing a doctor.

Acute bronchitis usually clears in 1–3 weeks, but that lingering cough is normal. Learn what's typical, what extends recovery, and when to see a doctor.

From exercise and diet to pelvic floor training and medication, here's what the evidence actually says about maintaining stronger, longer-lasting erections.

Chlamydia symptoms and test results don't always appear right away. Learn when to get tested and why timing matters for your health.

Lifestyle changes like exercise, sleep, and diet can improve sperm count, but it takes 2–3 months to see results. Here's what the evidence actually supports.

Tretinoin gel and cream work differently depending on your skin type. Here's how to pick the right formulation for your skin.