US scientists finally uncover how a rare longevity gene may protect the brain from Alzheimer's and the discovery could reshape future treatments

A rare gene linked to longer life may also help explain why some people are less likely to develop Alzheimer's disease. In a new study published in Aging Cell , researchers at the Buck Institute for Research on Aging found that the APOE2 gene helps brain cells repair DNA damage and resist cellular aging, offering a promising new direction for Alzheimer's research.

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