Two classes of medications are currently approved by the United States Food and Drug Administration (FDA) to manage AD, including the AchE Inhibitors (AchEIs) such as tacrine, donepezil, rivastigmine, and galantamine as well as the noncompetitive N-Methyl-D-Aspartate (NMDA) receptor antagonist, memantine (Bassil & Grossberg, 2017). This evidence concerns the gene ACHE and Alzheimer disease.