It could be a related dementia. Dementia is a general term for the loss of memory and other intellectual abilities serious enough to interfere with daily life. Alzheimer's is the most common form of dementia.

Other types of dementia include vascular dementia, mixed dementia and Pick's disease. These conditions have similar warning signs to Alzheimer's, such as memory loss, confusion and changes in personality. Learn more about related dementias on our main site.

There could be other causes of memory loss other than Alzheimer's or a related dementia. Vitamin deficiencies, thyroid problems, depression, poor diet, stroke and medication side effects can also disrupt mental function.

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