Mild Cognitive Impairment is related to dementia and alzheimer disease, familial, 1. An important gene associated with Mild Cognitive Impairment is CHAT (Choline O-Acetyltransferase), and among its related pathways/superpathways are Alzheimer's disease and miRNA effects and Presenilin-Mediated Signaling. The drugs Methylphenidate and Cannabidiol have been mentioned in the context of this disorder. Affiliated tissues include brain and temporal lobe, and related phenotypes are nervous system and growth/size/body region