The cholinesterase inhibitors donepezil (DNP), galantamine, and rivastigmine and the N-Methyl-D-Aspartate (NMDA) receptor antagonist memantine which works by regulating the activity of glutamate, an important neurotransmitter in the brain involved in learning and memory, are currently prescribed for the treatment of mild-moderate AD.10 This evidence concerns the gene BCHE and Alzheimer disease.