Affecting an estimated 4 1/2 million people in the United States, Alzheimer's disease (AD) is expected to become a growing medical, social, and economic concern as our elderly population expands. It is expected that AD will exert an increasing burden on all aspects of society as the number of patients affected by AD will only continue to increase. The most common cause of dementia, an effective cure for AD remains elusive.

Current treatments are limited to improving symptoms, yet lack the...