A large study has found that body mass index, thumb waist circumference and diabetes are all associated with an increased risk for liver cancer. Liver cancer is the sixth most common cancer, prostate and its incidence has tripled since the mid-1970s in the United States.
For the study, in Cancer Research, researchers pooled data from 14 prospective studies with more than 1.5 million participants. After controlling for age, sex, alcohol use, smoking and race, they found that being overweight increased the relative risk for liver cancer by between 21 percent and 142 percent as B.M.I. increased. For each 2-inch increase in waist circumference, the risk of liver cancer increased by 8 percent, even after controlling for B.M.I. And those with Type 2 diabetes had more than double the risk of liver cancer, even among the non-obese.
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