Biology Insights

Pfizer makes vaccines for COVID-19, pneumonia, RSV, meningitis, and more. Here's a look at their current lineup and what's in the pipeline.

Stomach pain can stem from many causes. Learn what different pain locations mean and which symptoms are worth a call to your doctor.

Narcolepsy affects the brain's ability to regulate sleep. Learn about its symptoms, two types, and how it's diagnosed and managed.

Quitting gambling is tough, but effective tools exist—from blocking software and therapy to medication and support groups. Here's what actually helps.

Itchy eyes are usually caused by allergies or dryness, but sometimes they point to something that needs medical attention. Here's how to tell the difference.

ERA testing checks if your uterus is ready for embryo transfer. Here's what the test involves and what the research says about whether it actually helps.

Practical strategies hospitals use to keep patients from returning too soon, from smarter discharge planning to remote monitoring and social support.

Gestational diabetes affects how your body handles sugar during pregnancy. Learn what it means for you and your baby, and how to manage it well.

Buckwheat flour is rich in fiber, minerals, and antioxidants that support heart health and blood sugar balance — here's what you need to know before using it.

Vitamins D, K, C, and E may help ease arthritis pain and protect joints. Here's what the research says about each one.

Surrogacy explained clearly — how it works medically and legally, who qualifies as a surrogate, what the process involves, and what surrogates are paid.

Male hair loss comes down to DHT, genetics, stress, and more. Here's what's actually happening to your follicles and what you can do about it.

Swollen sinuses are miserable, but several home remedies genuinely help. Learn which ones work best and when it's time to see a doctor.

Night sweats keeping you up? Learn practical ways to stay cool at night, from bedding choices to hormonal causes and when to see a doctor.

Brittle nails can improve with the right approach. Learn which supplements, moisturizers, and habits have real evidence behind them.

IV nutrition delivers essential nutrients directly into the bloodstream for people who can't eat normally. Learn how it works, who needs it, and its risks.

Cirrhosis treatment covers a lot of ground—diet, fluid control, brain fog, and more. Here's what managing the condition actually looks like day to day.