Harvard Women's Health Watch

The longer you carry extra pounds, the higher your cancer risk, study suggests

Research we’re watching Although high body mass index (BMI) is an established risk factor for several cancers, it hasn’t been clear how long a woman needs to be overweight to elevate her risk. An international team of investigators decided to find out. The researchers analyzed the records of 74,000 participants who were enrolled in the observational arm of the Women’s Health Initiative (WHI). The participants were free of cancer at the beginning of…

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