So what exactly is ADHD? And what, if anything, is the difference between ADHD in childhood and ADHD in adulthood?

Getting a colonoscopy is an important diagnostic decision. New research has helped indicate what type of colonoscopy may be right for you.

Meditation's general popularity has sky-rocketed in recent years, yet could its calming effects prove useful as a health treatment?  Researchers believe so.  

If you develop diabetes, you have to start taking even better care of your heart than before. Drinking a certain type of yogurt may be one way to protect against your increased risk of heart disease.

Caregivers of dementia patients may be spending so much time focusing on loved ones that they are left with little time to manage their own lives. This heightened stress may be putting their health at risk.

Eating lots of refined carbohydrates - which are found in foods like white bread and sugary drinks - can increase your risk of diabetes. Changing your diet may lower your risk, but a little alcohol might do the same.

Last summer, a breakthrough in AIDS prevention was announced: A trial of a vaginal gel had successful results. But a new trial has been scrapped after the gel was found to be ineffective.

Diabetes affects many parts of the body, including the heart. So, how should you protect the health of your heart if you have diabetes? The answer may lie in what you eat.

Everything ages over time. And human stem cells are no exception. Understanding this aging process may help explain why the elderly are more susceptible to infections and certain cancers.

When the same tumor returns, this is known as a cancer recurrence. When a new tumor forms, this is called a second primary cancer. Researches looked at the risk factors for developing secondary cancers.