In the past 25 years, more than 30 new germs affecting humans have emerged into the medical scene, most of them rising from animals. New diseases like the avian flu, Ebola, SARS...

Parkinson's is a chronic neurological disorder with symptoms most commonly present in people ages 50 and older, though recent trends have shown an increase in the n...

Over the last decade, addiction has affected millions of people, and the numbers are growing. But what exactly is this phenomenon? Is it a moral failure? A poor choice? Or a med...

Dementias are brain disorders that impair memory, thinking, and behavior, and Alzheimer's disease (AD) is the most common form, affecting 50 to 60 percent of dementia patients. ...

Anthrax became a household word in 2001 when spores of the bacterium were delivered via the U.S. postal service by unknown terrorists. The very mention of anthrax has the potent...

From obsessive compulsive disorders (OCD) to phobias, millions of people suffer from anxiety that affects their everyday lives. New research shows that some of these problems ma...

Attention-Deficit/Hyperactivity Disorder (ADHD) is the name of a group of attention-related symptoms that are often found toge...