religious people in their stand on blood transfusions, although it does not occur to them that this very fact shows that the doctrine does not really derive from the Bible. No one else who attempts to follow the Bible as a guide in life has come up with a ban on transfusions—and even the Watchtower organization did not promulgate the doctrine until 1944. Most Jehovah’s Witnesses are unaware that their leaders have had a history of introducing other medical prohibitions and then later changing their mind.