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New research shows that blood donors could safely give blood more frequently than is allowed at present. At the moment in the UK men can give blood every 12 weeks, women every 16 weeks. The new research demonstrates that in certain situations and for certain donors, shortening the donation interval is a viable approach for blood services to take.

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Blood donations began more than a century ago but until now there has been no research to discover how frequently donors can give blood without it affecting their health.

The study showed that, over a two-year period, allowing donors to give blood more frequently boosted the supply of blood to the NHS without having a major impact on their health.

The study, published in the Lancet, was carried out by a team from Cambridge and Oxford Universities and NHS Blood and Transplant, with funding from the National Institute for Health Research Blood and Transplant Research Unit in Donor Health and Genomics and NHS Blood and Transplant.

Read more (Radcliffe Department of Medicine website)