This is the source headline, but from their own article Cigarettes have long been a cause of cancer, and remained in the top spot — about 19% of cancer cases i

This is the source headline, but from their own article Cigarettes have long been a cause of cancer, and remained in the top spot — about 19% of cancer cases included were attributable to smoking. Excess body weight was deemed a cause for about 7.6% of cases, including malignancies of the gallbladder, esophagus, liver and kidneys. Related: By the numbers: America’s alcohol-related health problems are rising fast Alcohol came in third, with 5% of cases in men and women over 30 attributable to drinking This is the actual source: https://acsjournals.onlinelibrary.wiley.com/doi/full/10.3322/caac.21858 https://acsjournals.onlinelibrary.wiley.com/doi/full/10.3322... Further, The proportion of all cancers attributable to dietary factors ranged from 0.3% for low dietary calcium consumption to 1.4% for low fruit and vegetable consumption (Figure 1). By cancer type, the proportion of colorectal cancer cases attributable to dietary factors ranged from 4.2% (6090 cases) for low dietary calcium, to 7.3% (10,610) for red meat, to 10.5% (15,150) for low dietary fiber, and to 12.8% (18,540) for processed meat consumption The study seems to indicate UV light exposure (not wearing sunscreen) as a very large preventable factor, too.