why do so many people have dementia
Alzheimer's disease is the most common cause of dementia. This topic focuses on other conditions that cause dementia. For more information on Alzheimer's, see the topic Alzheimer's Disease. We all forget things as we get older. Many older people have a slight loss of memory that does not affect their daily lives. But memory loss that gets worse may mean that you have dementia. Dementia is a loss of mental skills that affects your daily life. It can cause problems with your memory and how well you can think and plan.