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Today, 03:53

On average, the total brain weight of people in their 80s is about ___ less than that of middle-aged people. however, for those with dementia, it is about ___ percent.

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  1. Today, 06:39
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    The answer is 8% and 12%

    Dementia happen because many of the brain cells became dead and unable to fulfill its usual function.

    The dead cells create lesser compositon inside the brain which lead to lower-than average brain weight.
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