Hormone replacement therapy (HRT) can block signs of accelerated ageing that may be linked to Alzheimer's disease, a study has found.
The effect was seen in healthy menopausal women carrying a well-known Alzheimer's gene.
Scientists looked for a genetic hallmark of unusually rapid biological ageing in blood samples taken from the women. They found HRT appeared to slow down the cellular "clock" in at-risk women with the Alzheimer's gene ApoE4. Treated women showed no evidence of the accelerated ageing seen in those not given hormone replacement.
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