Study: Obesity ups risk for esophageal cancer

10/12/2007 | Yahoo!

People with a body mass index of 40 or more are six times more likely to develop esophageal cancer than people with a healthy weight, or with a BMI between 18.5 and 25, a new study found. Researchers say higher levels of fat tissue in the body increase insulin production, which increases the level of insulin-like growth factor and can trigger conditions that might lead to cancer development.

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