The drug memantine MAY be the answer to Dementia and Alzheimer's disease.
Use the search engine for "memantine" and you can decide for yourself. The drug is given twice a day at 10mg a tablet, if prescribed by your physician. Print copies and give them to him or her in case they are not aware. It costs $219 for 56 tablets, or one month's supply. But if it really works !!!!!!!!!!