Word: bmj
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Dates: during 2000-2009
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Recently, British researchers wanted to see if there was a point of no return, at which it doesn't matter whether you quit. Their conclusion, published in BMJ (formerly the British Medical Journal) last year: timing is everything. The sooner you quit, the more damage you undo. A smoker who quits at age 50 reduces the risk of lung disease by half. Quitting by age 30 eliminates nearly all the smoking-related risk...