There are at least 8 different types of dementia, not to mention there are mixed combinations as well. Some of the most common ones are: Alzheimer’s Disease, Vascular Dementia, Dementia with Lewy Bodies, Parkinson’s Disease Dementia, Frontotemporal Dementia, Huntington’s Disease, Creutzfeldt-Jakob Disease, Wernicke-Korsakoff syndrome, and Normal Pressure Hydrocephalus. Symptoms vary by type, but 10 of the most common warning signs are: