London: We have larger brains and live longer than our closest relatives, the chimpanzees, but these advantages come at a cost.
The results were compared with MRI scans of 87 humans over an equivalent age range of 22 to 88.The scans showed a decrease in the volume of all major brain structures over the course of human life. In contrast, ageing chimpanzees showed no significant age-related changes to their brains.“Humans may be uniquely vulnerable to age-related neurodegeneration, pointing to compromises that have been struck in the evolution of an enlarged brain and an extended lifespan,” the Daily Mail quoted Dr Sherwood’s team as writing.The findings were published in the journal Proceedings of the National Academy of Sciences. ANI
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