Today would have been the 100th birthday of Sir Richard Doll.
The man who first established the link between cigarette smoking and lung cancer. Since his original study smoking rates throughout the world have declined steadily, although in the UK the rate has plateaued at a stubborn 20% or so who persist with the habit regardless, and who are all candidates for a Darwin award.
Another man on the shortlist for having saved the most people from premature death in human history.
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