'Alzheimer's-Resilient' Brains Seem To Have A Cell 'Fertiliser' In Common

They may occur even in the brains of 80 -year-olds.

Dementias, like Alzheimer’s, are generally progressive diseases, which means they get worse over time. Their progression is usually grouped into early, middle, and advanced stages.

But a percentage of people who have the physical brain changes associated with Alzheimer’s seem to live without any, or with fewer, of its signs, according to some researchers.

“Around 30% of older adults” with these changes “never experience its symptoms,” said Dr Evgenia Salta from the Netherlands Institute for Neuroscience, who co-authored a new paper on this topic.

“We really don’t know why. That’s a big mystery, and a very important one.”

Why might some brains with........

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