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.

Phocomelia is a rare condition present from the time of birth. In this, people are born with arms or legs that are short or not fully formed. The hands or feet may be attached directly to the baby ...

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?

Beriberi is a deficiency of thiamine, more commonly known as vitamin B1. Your body needs thiamine to break down and digest the foods you eat, to keep your metabolism going, and help your muscles ...

How to Get Enough Vitamin D As an Older Adult Adults aged up to 70 years old should be getting at least 600 IU. Adults older than 70 should be getting at least 800 IU of vitamin D. However, some ...

Depression in women is common, especially during times of hormonal fluctuations. Learn more from WebMD about how depression in women is treated during various stages of her life.

You or someone you know may face cancer. Successful treatment could depend on knowing the symptoms for common cancers. Learn more about breast cancer warning signs, lung cancer warning signs, or ...

Dental plaque is a sticky, colorless film that forms on teeth. It's made of microorganisms (including bacteria and fungi), food particles, and your saliva. Although it’s normal for your mouth to ...

Many people take vitamins and supplements while they are being treated for cancer; some take them to prevent cancer. Here are tips to help you shop wisely. Vitamin A, vitamin C, vitamin E, and ...

COVID transmission rate The World Health Organization (WHO) has confirmed over 103 million cases of COVID in the U.S. since January 2020. COVID can still spread rapidly, especially through close ...