Dementia refers to a group of symptoms that are caused by changes in brain function. Some signs of dementia include changes in memory, personality, and behavior. Dementia makes it hard for a person to carry out normal daily activities.
A person with dementia may ask the same questions repeatedly and get lost in familiar places. He or she may be unable to follow directions; be disoriented about time, people, and places; and neglect personal safety, hygiene, and nutrition.
Dementia is caused by many conditions that affect the brain. Some causes of dementia can be reversed, and others cannot.
Treatable conditions that can cause dementia include a high fever, vitamin deficiency and poor nutrition, bad reactions to medicines, problems
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