Mayo Clinic on Alzheimer's Disease and Other Dementias, Revised and Updated

Dementia is a serious health challenge, and by some estimates the number of people living with dementia could more than double by 2050. While Alzheimer’s disease is the most common type of dementia, other types also affect adults worldwide, causing loss of cognitive functions such as memory, reasoning and judgment. The diseases that cause dementia have long been considered difficult and unrelentin...