The longer a woman is overweight or obese, the more her risk of cancer may increase along with the time.
A new longitudinal study on postmenopausal women, published in the journal PLOS Medicine
on Tuesday, reveals that the duration of having a high body mass index
is linked to a higher risk of developing several types of cancer, from
breast to endometrial.
It's
the first study to explore the relationship between overweight duration
and cancer risk in a large cohort of women, said Melina Arnold, a
scientist at the World Health Organization's International Agency for Research on Cancer and lead author of the study.
"Given
the result from previous studies supporting the overall link between
obesity and cancer, our results are in line with what we know about this
relationship," Arnold said. "Yet it adds to current scientific evidence
by suggesting that there seems to be a cumulative effect of obesity on
cancer risk."
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