This article describes the public health impact of Alzheimer's disease (AD), including
incidence and prevalence, mortality and morbidity, costs of care, and the overall impact on
caregivers and society. The Special Report examines the benefits of diagnosing Alzheimer's
earlier in the disease process, in the stage of mild cognitive impairment due to Alzheimer's
disease. An estimated 5.7 million Americans have Alzheimer's dementia. By mid-century, the
number of people living with Alzheimer's dementia in the United States is projected to grow …