Sweets Increase Breast Cancer

Overeating cookies, cake, chocolate, ice cream, jam and other sweets may boost a woman's odds of breast cancer nearly 20%, finds a new Italian study.

The possible reason: Sugary foods and concentrated carbohydrates raise blood sugar, insulin and insulin-like growth factors (hormones thought to promote breast cancer). Insulin also stimulates production of estrogen that ups risk of breast cancer. High insulin is associated with pancreatic cancer, too.

The greatest breast cancer risk was for women who ate the most calories, says Italian research. Other recent research finds that being overweight or obese also hikes risk of cancers of the colon, prostate and pancreas.

Scientific Sources
Insulin and cancer
Stolzenberg-Solomon, JAMA, Dec. 13, 05

Calories and breast cancer risk
Tavani A., Annals of Oncology online, 2005 Oct. 25

Overweight and colon cancer risk
Moore LL, Int J Obes Relat Metab Disorder 2004 (4): 559-67

Overweight and prostate cancer risk
Bassett WW, Urology 2005(5): 1060-5

Overweight and pancreatic cancer risk
Larsson SC. Br. ÊCancer, 2005 ;93(11): 1310-5

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