Blood Hero

"An Australian man who has been donating his extremely rare kind of blood for 56 years has saved the lives of more than two million babies.

James Harrison, 74, has an antibody in his plasma that stops babies dying from Rhesus disease, a form of severe anaemia."
I bet a mosquito bite makes him pass out.
Via Arbroath.blogspot.com
(Click the pic for the whole story!)
(Dang, this is a Daily Mail link, a news website that is full of S, hopefully at least part of it is true...)