25 August 2016
A new study has identified a link between excess weight and eight additional cancer types, many of which are not commonly thought of as being associated with obesity.
The Washington University School of Medicine research reviewed more than 1,000 existing studies of excess weight and cancer risk analysed by the World Health Organization's International Agency for Cancer on Research.
It was shown that cancers of the stomach, liver, gallbladder, pancreas, ovary and thyroid all have associations with excess weight, as well as meningioma - a type of brain tumour - and the blood cancer multiple myeloma.
For most of these cancers a positive dose-response relationship was observed, meaning the risk increases according to weight. These dangers were similar for men and women and consistent across geographic regions.
Dr Graham Colditz, a cancer prevention expert at Washington University School of Medicine, said: "Many of the newly identified cancers linked to excess weight haven't been on people's radar screens as having a weight component."
Cancers of the colon, oesophagus, kidney, breast and uterus have all also been linked to excess weight in the past.
Posted by Edward Bartel
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