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Fresh Look at Cancer Shows Smoking, Obesity Top Causes
Published on: November 22, 2017
A fresh look at the causes of cancer has come up with some surprising numbers.
While smoking is still by far the biggest cause of cancer and cancer deaths, obesity, poor diet and drinking too much alcohol cause an increasing number of cancer cases and deaths.
Overall, modifiable risk factors — things people can change — cause 42 percent of cancer cases and 45 percent of deaths, the American Cancer Society found.