Dementia is a wide term for a group of brain illnesses that damage and kill brain cells and affect cognitive abilities’ smooth functioning.
These diseases can cause problems with memory, thinking, orientation, comprehension, speech and language, personality changes, and a decrease in one’s ability to carry out day-to-day tasks and activities.
The term dementia also refers to any loss of cognitive functioning that is not due to sensory impairment or psychological illness; instead, it has short-term and long-term effects, severely affecting a person’s memory.
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