People at risk for certain infectious diseases are usually disqualified from being blood donors. However, new research suggests that they may still be safe organ donors.

A sleeping disorder such as obstructive sleep apnea can have an impact on much more than your sleeping patterns. It can also affect your risk for other conditions.

Teenagers are famous for having erratic sleeping patterns. But those who aren't getting enough sleep may be setting themselves up for illness.

Being diagnosed with breast cancer at any age can be difficult. Several studies have suggested that breast cancer affects women under the age of 50 deeply because the disease can have an impact on fertility, appearance and sexuality.

Stroke treatments have largely focused on how to minimize the level of disability after stroke. And a recent study may have pinpointed a new way to do just that.

One of the world's most popular beverages — coffee — may be more than a great way to jump start the day. Mounting evidence suggests coffee beans are full of healthy compounds that may help ward off a number of diseases, including cancer.

Stroke is often thought of as a condition that affects older people. While the rate of stroke deaths has dropped over 20 years, strokes among young and middle-aged people have steadily risen.

Uveitis is a condition in which inflammation occurs deep inside the eye. In children, the condition is more likely to lead to blindness than in adults. For this reason, finding the right treatment for children is critical.

The fall brings cooler weather, autumn colors and, unfortunately, thoughts of flu season. So far this year, the flu season seems to be off to a slow start.

This summer, several outbreaks of illness caused by the parasite  Cyclospora swept across the US. Many of those illnesses occurred in Texas, and the infection source was unknown.