Dementia and Alzheimer's Disease Dementia . Dementia is an umbrella term used to describe the loss of cognitive or intellectual function.
Many conditions can cause dementia.
Dementia related to depression, drug interactions, thyroid, and other problems may be reversible if detected early. Many diseases can also cause dementia, Alzheimer's disease is probably the most well known. It is important to obtain professional assessment so that the actual cause of the dementia can be identified and proper care can be provided. Alzheimer's Disease . Alzheimer's disease afflicts one in ten persons over the age of sixty five and almost half of those over eighty five.