The way in which diseases are diagnosed can change, as was recently the case with autism. And these new changes in diagnostic criteria could change how many children are diagnosed with autism.

Deciding how to treat a condition like high cholesterol can be tough, especially when some treatment options have been tied to an increased risk of other health problems.

When people start to run a fever from the flu, they often turn to medications like ibuprofen to bring the fever down. But it seems this common strategy might be dangerous.

Many people have insomnia symptoms from time to time, but who's at risk for persistent insomnia? That's a question researchers recently set out to answer.

High blood pressure can be a “masked” villain. Readings at a clinic may show normal blood pressure levels, while home readings may give a more accurate view of cardiovascular health.

While sitting may not seem harmful, a sedentary lifestyle may raise the risk of heart disease and premature death. Inactivity may also increase the chances of heart failure in men.

Glaucoma is a leading cause of blindness around the world, but one new study shows how much improvement has been made, and how much more needs to be made.

Could consuming the healthy fats, fish and perhaps even red wine of the Mediterranean diet help prevent a certain artery disease? Maybe so, according to a new study.

Enjoying a hot cup of tea with some chocolate and raspberries may do more than satisfy a sweet tooth; it also may help lower one’s risk of developing diabetes.

Vitamin D is a powerful nutrient. In addition to aiding our bones, vitamin D helps reduce inflammation and keeps the immune system strong. It may even help stall a chronic disease.