Jehovah's Witnesses have changed their teaching on blood, ending a long-held ban on most medical procedures that use donated blood and leaving the final decision to individuals. The Governing Body announced the shift 23 days after Isaac Valdez died following an emergency case in which he refused the treatment doctors said could save his life.
The change affects followers who once faced an all-or-nothing choice when blood was part of treatment. Under the new teaching, most procedures using donated blood are no longer prohibited, a major reversal from a rule first announced in 1945.
Valdez, 26, had an epileptic seizure while browsing in his local library in August 2026. He convulsed, struck his head and lost consciousness before doctors found a brain haemorrhage. He carried a No Blood card because he was one of Jehovah's Witnesses and would not accept any treatment involving a blood transfusion because of his religious beliefs.
His condition briefly improved. He regained consciousness in hospital and started to talk again, then confirmed that he stood by his no blood beliefs. After that, he slipped into a coma and worsened rapidly. A neurosurgeon told his family that the only way to save him was an emergency operation that required a blood transfusion, and his family chose to abide by his wishes. Doctors turned off life support on 26 August 2026.
That sequence gives the policy change a sharp edge. The faith's leaders have not said Valdez's case drove the decision, but the timing is hard to miss: the rule changed 23 days after he died in exactly the kind of case the old teaching covered. Paul Gillies said the shift was basically the application of Bible principles to modern medicine and its methods, and described it as a fresh look at scripture and at medical advances.
The original ban rested on Jehovah's Witnesses' reading of Bible passages from both the Old and New Testaments, including the Book of Acts, which instructs believers to abstain from blood. Now the vast majority of medical procedures using donated blood are permitted, and decisions are left to each follower. For families like Valdez's, the question that remains is no longer what the rule says, but how many people will now choose differently when the next emergency comes.

