Majid Ali, M.D. Alzheimer’s disease is disintegration of personality and memory loss with a regression to a childlike state, often with anxiety. It is caused by any combination of the following: (1) accumulation of metabolic toxins in the brain; (2)  incremental load of environmental toxins; (3) deficiencies of brain nutrients; (4) cardiovascular disorders with impaired brain circulation; (5) toxic metals, such as