I've heard that one vector for the spread of Ebola is ceremonial contact that family members have with the body of their deceased relative. That led me to think about how Judaism deals with this ...
Suppose there is an halachically prescribed, commonly-practiced action, which has been demonstrated scientifically to lead to death of the action's object and/or subject with a certain low probability ...
There is a lot of talk in the news, etc., about Metzitzah B'peh that employs direct oral contact being dangerous. First: If it is dangerous, shouldn't pikuach nefesh push it off? Second: How ...