Introduction/Alzheimer's Disease: From Research to Practice

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Alzheimer’s disease (AD) is a progressive, neurodegenerative syndrome that often firstmanifests with mild cognitive, language, and behavioral symptoms that graduallyFrom the Department of Psychiatry and the Behavioral Sciences, the Department of Neurology,School of Medicine, and the Andrus Gerontology Center, University of Southern California, LosAngeles.worsen in severity, eventually requiring total care for affected patients. Its incidence and prevalenceincrease exponentially with age. AD is the most common form of dementia among theelderly, affecting approximately four million patients in the United States.