Slideshow Tips for Prevention Learn about the basics of cold sores, how they're treated, and what you can do to prevent them. Find out how to stop the spread of the virus that causes cold sores, too.

If you’re a woman under 65, science just gave you a new reason to pay attention to ambiguous symptoms — even if you don’t ...

Early research suggests that azelastine, a common over-the-counter nasal spray that treats seasonal allergies, may offer a ...

With step goals varying across studies, experts say it’s time to focus less on the numbers – and more on this ...

No one really knows what causes asthma. What we do know is that asthma is a chronic inflammatory disease of the airways. The causes can vary from person to person. Still, one thing is consistent: When ...

What Causes Type 2 Diabetes? When you're healthy, your pancreas (an organ behind your stomach) releases insulin to help your body store and use sugar from the food you eat. Diabetes happens when one ...

“High-functioning autism” isn’t an official medical term or diagnosis. It’s an informal term some people use when they talk about people with autism spectrum disorder (ASD). This usually means people ...

Lymphoma is a type of cancer that begins in infection-fighting cells of the immune system, called lymphocytes. These cells are in the lymph nodes, spleen, thymus, bone marrow, and other parts of the ...

What Are Iron-Rich Foods? Iron-rich foods are those that contain high levels of iron, a mineral your body needs to grow and have healthy blood. While steak with a side of spinach is a great meal to ...

If you have oily skin, missed periods, or trouble managing your weight, you may think those issues are just a normal part of your life. But such frustrations could actually be signs that you have ...

Lupus is difficult to diagnose because its symptoms can be vague. And unlike other diseases, doctors can't diagnose it with a single lab test. But your doctor can look at your symptoms and family ...

Whether you're trying to lose weight, gain weight, or stick to your current weight, it's important to know how many calories you need to eat each day. Daily calorie intake is different for each person ...