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0964031 - Addictions - smoking - health - These are the cigarette-smoking machines that scientists in Britain and America used to find a link between smoking and lung cancer. The American one can smoke up to a hundred cigarettes at a time - and provide a condensed and concentrated cigarette smoke from which the scientists can draw off impurities. Now the scientists are using similar machines to try to make smoking safe. - ©TopFoto
©2006 Credit:TopFoto
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