Alzheimer's may spread through blood transfusion, UCL researchers warn

A report by Prof. John Collinge's team at University College London, published in The Lancet, suggests that Alzheimer's-related pathology may spread through infection with misfolded amyloid beta proteins. A landmark 2023 population study from Denmark and Sweden, covering one million patients, indicated a possible link to blood transfusions. The researchers are calling for new studies to investigate the transmission risk further.

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