About one in every five people carries a version of a gene that, although largely unsung, appears to confer protection against both Alzheimer's disease and Parkinson's disease, Stanford Medicine investigators and their colleagues have learned. These lucky people may someday benefit all the more from a vaccine that could slow or stall the progression of these two most common neurodegenerative conditions. An analysis of medical and genetic data from hundreds of thousands of people of diverse ancestries from several continents has revealed that carrying this gene version, or allele, reduced people's chances of contracting either Parkinson's or Alzheimer's by more than 10% on average.

https://www.miragenews.com/genetic-factor-shields-against-alzheimers-1074885/

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