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Excess weight causes nearly 4% of new cancers a year worldwide

BMJ 2014; 349 doi: (Published 26 November 2014) Cite this as: BMJ 2014;349:g7240
  1. Susan Mayor
  1. 1London

Nearly four in every 100 new cancers in adults each year are attributable to high body mass index (BMI), global figures have shown. And about two thirds of these obesity related cancers occur in Europe and North America.

Researchers analysed 2012 data from several sources, including the GLOBOCAN database on cancer incidence and mortality in 184 countries, to estimate the proportion of cancer cases associated with excess body weight.1 They …

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