Alzheimer's What Causes Alzheimer's disease? 5 Possible Causes Alzheimer’s disease can occur due to genetic mutations, the accumulation of abnormal proteins in the brain, a reduced release of acetylcholine by the neurons, or an HSV-1 infection.
Alzheimer's 8 Classic Signs of Alzheimer’s (w/ Online Symptom Quiz) The main symptoms of Alzheimer’s include memory loss, disorientation, repetitive conversations, sudden mood changes and changes to language.