Biology Insights

Cosmetic dermatology covers everything from Botox to laser resurfacing. Learn what treatments are available, who performs them, and what they typically cost.

Morgellons disease causes crawling skin sensations and mysterious fibers, but experts still debate whether it's physical or psychiatric in origin.

Learn practical ways to reduce your gonorrhea risk, from condoms and regular testing to treating partners and an unexpected vaccine connection.

Ocular hypertension means elevated eye pressure without vision loss — but it can raise your glaucoma risk. Here's what causes it and how it's managed.

Alcoholic dementia can look like Alzheimer's but has different causes and outcomes. Learn how alcohol harms the brain and whether the damage can be reversed.

Canker sores can stem from stress, nutritional gaps, mouth injuries, or genetics. Learn what's actually triggering yours and how to reduce flare-ups.

Every drug has a chemical, generic, and brand name. Learn how each gets assigned, what those name endings mean, and how the WHO keeps it all organized.

Ewing sarcoma is a rare bone cancer that mainly affects children and teens. Learn how it develops, what symptoms to watch for, and how it's treated.

Not all decongestants are equal. Learn which ones actually relieve congestion, why some don't work, and what to know before choosing one.

Iodine is found in seafood, dairy, eggs, and iodized salt, but plant foods and sea salt often fall short. Learn where to reliably get enough iodine each day.

There's no universal limit for masturbation, but certain physical and emotional signs can signal it's worth paying attention to.

Learn how doctors diagnose insomnia, from clinical interviews and sleep diaries to questionnaires and when a sleep study is actually necessary.

Learn what LDL cholesterol numbers mean for adults and kids, when levels become a concern, and how diet and lifestyle can help keep them in a healthy range.

Burning eyes can stem from dry eyes, allergies, infections, or even your eye drops. Learn the common causes and when it's time to see a doctor.

Ozempic mimics a natural gut hormone to lower blood sugar, curb appetite, and support weight loss. Here's how it works in the body.

Testing positive for Group B Strep during pregnancy is common and manageable. Here's what it means for you and your baby.

Prion diseases are rare brain disorders caused by misfolded proteins. Learn how they develop, what symptoms to expect, and where research on treatments stands today.

From honey to OTC options, here's what actually helps ease a cough and when it's time to see a doctor.