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Show Notes
We know that smoking 20 cigarettes a day increases your risk of CHD and stroke - but what happens if you cut down to 1, do you have 1/20th of that risk?
Allan Hackshaw, professor of epidemiology at UCL joins us to discuss a new systematic review and meta analysis published on bmj.com, examining the risk of smoking just one or two cigarettes a day.
Read the full review:
http://www.bmj.com/content/360/bmj.j5855