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FDA-approved drug treatment strategies for Alzheimer’s disease. (A) The drugs donepezil, galantamine, and rivastigmine inhibit acetylcholinesterase, preventing the breakdown of acetylcholine and thus enhancing cholinergic signaling. (B) The drug memantine blocks NMDA receptors, preventing excessive calcium influx that could lead to neuron damage (created by Biorendor.com).
