ScienceInsights

Medicare Part D usually won't cover tadalafil for ED, but coverage may apply for BPH or PAH. Here's what to know about your options and costs.

Aerophobia is more than pre-flight nerves. Learn what causes this fear of flying and how it can be treated or managed.

Excessive thirst can signal diabetes, but it's not the only cause. Learn what drives this symptom and when it's worth checking with a doctor.

Compression shorts can speed up muscle recovery and reduce chafing, but their performance benefits are modest. Here's what the science actually says.

Styes and eyelid pimples usually clear up with warm compresses and good hygiene. Here's how to treat them safely and when to see a doctor.

Millions of workers are injured on the job each year in the U.S., and the real numbers may be higher than official reports suggest.

Red, crusty eyes can stem from pink eye, blepharitis, or blocked tear ducts. Learn what's behind your symptoms and when to see a doctor.

Dark chocolate contains 150–600mg of theobromine per 100g, depending on cacao content. Learn how it differs from caffeine and how much is safe to eat.

Learn what elderly stroke survivors and their families can realistically expect, from hospital care to recovery, daily life, and preventing future strokes.

Facial plastic surgery costs vary widely based on procedure, location, and surgeon. Here's what to expect and what your quote may not include.