Alzheimer's disease is a brain disorder that affects a person's ability to carry out daily activities.
Researchers at Duke University and the University of Michigan report that approximately 14% of Americans age 71 and older have some form of dementia.
Alzheimer's disease (AD) is the most common form of dementia in the United States, with more than 5 million patients living with the disease in 2007.
Researchers at Rush University Medical Center in Chicago and the University of Pennsylvania uncovered that trouble identifying common odors may be a sign of mild cognitive impairment.
