Obesity ups cancer risk, and here's how

Obesity comes with plenty of health risks, but there's one that's perhaps not so well known: an increased risk of developing cancer, and especially certain types of cancer like liver cancer. Now, a group of researchers reporting in the 22 January issue of the journal Cell, a Cell Press publication, have confirmed in mice that obesity does indeed act as a 'bona fide tumour promoter.' They also have good evidence to explain how that happens...

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