New research on how Alzheimer’s develops

Some of the earliest signs of Alzheimer’s disease have been found in the brain, more than two decades before the first symptoms usually appear, and treating the disease early is vital in order to prevent further damage to memory and thinking.

A study, published in the Lancet Neurology, found differences in the brains of people destined to develop an early form of Alzheimer’s.

A team at the Banner Alzheimer’s Institute in Arizona looked at a group of patients who have familial Alzheimer’s.  A genetic mutation means they nearly always get the disease in their 40s. Alzheimer’s normally becomes apparent after the age of 75.

Brain scans of 20 people with the mutation, aged between 18 and 26, already showed differences compared with those from 24 people who were not destined to develop early Alzheimer’s.       Learn more about this study over at the BBC.

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