get and read your own copy of How Can Blood Save Your Life?, your knowledge of both medicine and the bible will be improved. Improved knowledge of the bible gives you an improved understanding of our objections.
"one of the very few, btw,"- In fact Acts 15:20,29 lists just four: "abstain from the pollutions of idols, and from fornication, and from what is strangled, and from blood." [KJV]
The meeting whose minutes we're given in Acts 15 was necessary just because Jesus' death had "fulfilled" the old Law contract, and it was necessary to determine which provisions, if any, were still in force. (As you learned if you read this post,
http://forums.cnet.com/5208-6130_102-0.html?forumID=50&threadID=251208&messageID=2513560#2513560
the blood law was given to Noah long before the Law was given to Moses.)
Two of those prohibitions protected JWs from HIV long before Jesus was able to go online with CDC ... In fact, long before CDC had a clue. That's a better record than modern medicine's. Healthier, not sicker. Longer lived, not shorter. Freer, not more restrictive.
"taking a prohibition out of context" Your view, not the bible's or ours. The context is Ex 20:2,3 and Isa 48:17,18. We think the results speak for themselves.
Bottom line: You will continue to use blood when it's offered.

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