Alzheimer's disease (AD), which currently affects approximately 5.4 million Americans, is a type of dementia, which causes memory, cognitive, and behavioral problems. AD is among the top 10 leading causes of death in the United States, typically affecting people ages 65 and older. Beta-Amyloid (Aβ) is an Alzheimer's target protein, which starts as a single protein, but can misfold and bind to itself, forming larger chains and eventually fibrils and plaques of Aβ in the brain. Antibodies that bind to different regions and sizes of Aβ may prevent progression into a more toxic stage.
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