Surprise finding: Alzheimer's may be transmissible

PEOPLE injected with human growth hormones extracted from cadaver brains may have been “infected” with Alzheimer's disease, according to a new study.

Published in the journal Nature, the research provides evidence for the hypothesis that the amyloid-beta plaques typical of Alzheimer's pathology can be passed between humans via diseased tissue transfer.

"This relates to a very special situation where people have been injected with essentially extracts of human tissue," says co-author John Collinge of University College London.

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