DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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Donepezil Alzheimer's drug. Box containing tablets of the Alzheimer's drug donepezil hydrochloride, marketed under the name Aricept. Donepezil belongs to a class of drugs known as cholinesterase inhibitors. It inhibits the enzyme acetylcholinesterase, which destroys the neurotransmitter acetylcholine. Lack of neurotransmitters is thought to play a role in Alzheimer's disease, a common cause of dementia in the elderly. Donepezil does not cure the disease, or slow its progression, but it can improve cognitive function.
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