Cognitive decline due to ageing can be reversed in mice – here's what the new study means for humans

By Richard Faragher, Professor of Biogerontology, University of Brighton

The ageing global population is the greatest challenge faced by 21st-century healthcare systems. Even COVID-19 is, in a sense, a disease of ageing. The risk of death from the virus roughly doubles for every nine years of life, a pattern that is almost identical to a host of other illnesses. But why are old people vulnerable to so many different things?

It turns out that a major hallmark of the ageing process in many mammals is inflammation.…

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