"Donating bone marrow is not without consequence. The pain is just the start. I know a donor that spent about 6 months fighting all sorts of issues, some of which was because of the anesthesia, others included ongoing pain and pneumonia that nearly killed him."
Yeh, but was it worth it?
In the end? Maybe. It was for a nephew or niece...I don't recall. They didn't make it, but perhaps got an extra year or so. I never really put the question to him and changed jobs, havn't seen him in a few years now.