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Luda [366]
3 years ago
5

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.
Social Studies
1 answer:
olganol [36]3 years ago
8 0
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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