This study, published in Archives of Internal Medicine, found that because Jehovah's Witnesses cannot have blood transfusions, and prepare for surgery with blood conservation techniques, they recover quicker, have fewer complications and have a better 1-year survival rate. The study provides food for thought and a worthwhile area for future research.
Podcast from "The World Today' (ABC Radio National)
Original Reference :
Outcome of Patients Who Refuse Transfusion After Cardiac Surgery : A Natural Experiment With Severe Blood Conservation
Gregory Pattakos, et al. Archives of Internal medicine 10.1001/archinternmed.2012.2449 Published ahead of print
Available via CIAP