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" Smokers with a history of prolonged exposure to asbestos may be able to reduce their risk of developing lung cancer by giving up tobacco, a study has found. Scientists at Queens College in New York looked at data on 2,377 insulators who had regularly been exposed to asbestos, as well as a further 54,000 workers with no history of asbestos exposure. They found that the combination of smoking and asbestos exposure was associated with a more than 28-fold increase in the rate of dying from lung cancer. However, among asbestos-exposed insulators who quit smoking, lung cancer death rates fell from 177 per 10,000 people to 90 per 10,000 over the course of ten years. Lead study author Dr Steven Markowitz, whose findings are published in the Journal of Respiratory and Critical Care Medicine, said: &amp;#039;Our study provides strong evidence that asbestos exposure causes lung cancer through multiple mechanisms. &amp;#039;Importantly, we also show that quitting smoking greatly reduces the increased lung cancer risk seen in this population.&amp;#039; Most buildings constructed prior to the year 2000 contain asbestos, which is found in products such as ceiling tiles, pipe insulation, boilers and sprayed coatings. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/healthy-living/news/a23752/quitting-smoking-reduces-risk-of-asbestos-related-lung-cancer/>