Who knows my blood type? [more inside]
posted by NortonDC on Sep 24, 2008 - 17 answers

I have worked with a few divers who have their blood type and sometimes other medical info tattooed on their forearm or elsewhere. Most were ex military. Can anyone think of any reasons, other than cosmetic, why this would not be a good idea?
posted by Yorrick on Jan 7, 2005 - 13 answers