More than 30% of cancers can be prevented by lifestyle changes, the WHO said on Friday, on the eve of World Cancer Day. Among key risk factors for cancer are tobacco and alcohol consumption, a diet low in fruit and vegetable intake and lack of physical activity. “Tobacco use is the most important risk factor for cancer causing 22 percent of global cancer deaths and 71 percent of global lung cancer deaths,” the UN health agency said. Halting tobacco use, for instance, could therefore help cut cancer mortality rates.
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