Rare, deadly, and often missed, some skin cancers develop in areas that rarely see the sun. Scientists are still learning about them, but here's what we know.

WebMD's COPD Health Center provides in-depth information on chronic obstructive pulmonary disease including symptoms, causes, treatment options, diagnosis, and tests.

A painful sore throat is a signature symptom of an Omicron subvariant called NB.1.8.1, or Nimbus. It now makes up about a ...

Living with bipolar disorder isn’t just about mood swings: it’s about carrying an invisible weight that few people understand.

What’s the most overrated strategy for protecting your brain? And what’s the one you should actually be using?

June 19, 2025 – The FDA has approved the first twice-yearly shot to reduce the risk of HIV infections. Originally approved in 2012 as a treatment for people with HIV that no longer responded to ...

Pushups and step count are a byproduct, not a definition, of fitness. It’s not even about your “why.” Dig deeper for your true definition of “fit” – it’s worth it.

Evidence is piling up that PFAS are particularly dangerous for pregnant people and their babies.

June 16, 2025 – Ready to hit the great outdoors this season? Just make sure you've taken steps to protect yourself from ticks and tickborne illness, which experts say is on the rise.

The “blue waffle” hoax is a made-up sexually transmitted infection (STI) affecting women. Here’s how to fact check online health information and avoid scams.

High blood pressure affects I in 4 American adults. Find in-depth high blood pressure and hypertension information including its causes, symptoms, and treatments.