Alzheimer's disease is one of the most serious health problems for the elderly, and no cure has yet been found. To shed some light on this mysterious illness, the National Institute on Aging provides this valuable resource explaining how Alzheimer's affects the minds of people suffering from it. In an overview of potential causes, the site distinguishes between genetic risk factors for early and...

This week, two significant announcements were made at the World Alzheimer Congress, a gathering of more than 3,000 experts in Washington, D.C. On July 11, scientists at Elan Pharmaceuticals reported that a vaccine that reverses some of the effects of Alzheimer's has cleared its first test in humans. Since the first observation by Dr. Alois Alzheimer in 1906, researchers have long noted the...