[WATCH]: Study Claims Lifestyle Causes 40% of Cancer Cases

BY EMILY SPAIN You're watching multisource science/health news analysis from Newsy. A cure for cancer? Not quite, but a new study out of the UK suggests lifestyle changes can prevent 40 percent of cancer cases. Researchers looked at data on cancer cases in the UK from 1993 to 2007. Then calculated the proportion of cancers that could be linked to different risk factors. UTV has the details: "Smoking, unhealthy diet, alcohol and excess weight, four factors that cause over 100000 cases of cancer across the UK each year. Cancer Research UK report says the choices we make all put us at risk for the disease." The biggest cancer culprit? The study points to smoking, which made up an average of 19 percent of new cancer cases. But a writer

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