Ex­cess weight con­trib­utes to more than 7 per cent of can­cers

The Hamilton Spectator - - Living -

More than 7 per cent of can­cer cases in the U.S. are at­trib­ut­able to ex­cess body weight, a study re­ports. Pre­vi­ous stud­ies have es­tab­lished an as­so­ci­a­tion be­tween body fat and at least a dozen can­cers, with the high­est risks for liver, uter­ine and esophageal can­cers. The re­port, in JAMA On­col­ogy, found that from 2011 to 2015, among peo­ple 30 and older, 4.7 per cent of can­cers in men and 9.6 per cent of those in women were at­trib­ut­able to ex­cess weight. The high­est rates of weight-as­so­ci­ated can­cer are in the South, the Mid­west, Alaska and Wash­ing­ton D.C.; the low­est were in the Moun­tain States, New Eng­land and Hawaii. More than 8 per cent of can­cers in Texas and Wash­ing­ton, D.C., are as­so­ci­ated with body fat­ness, but only 6 per cent in Colorado and 5.9 per cent in Hawaii. The lead au­thor, Farhad Is­lami, a sci­en­tific di­rec­tor at the Amer­i­can Can­cer So­ci­ety, said that the fa­tat­tributable por­tion of can­cer cases will be likely to in­crease in com­ing years with in­creas­ing obe­sity.

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