The findings, published in the Lancet medical journal, suggest BMI was "positively associated" with 10 most common cancers, including uterus, cervix, thyroid, kidney, liver and colon.
Post-menopausal breast cancer and leukaemia were also a heightened risk, the scientists said.
A person is deemed to be overweight if they have a BMI score, calculated using their weight and height, of 25 to 30 and are obese if it is above 30.
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NHS standards body cites "serious" safety concerns over the procedure, saying it should only be used in research contexts.
The decision by the EU27 to progress to trade talks is expected to be little more than a formality.
The brisk northerly wind will make it feel rather cold.