From an Australian research study, via Twitter (hope the link works):
www.nejm.org/na101/home/literatum/publisher/mms/journals/content/nejm/0/nejm.ahead-of-print/nejmp1401875/20140416/images/large/nejmp1401875_f1.jpeg
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these arguments against this, that or the other tend to rear their heads once governments start to claim poverty - up until that point, everyone was proud of the advances in science and medicine; go figure that one!

