Weight gain linked to breast cancer risk

May 24, 2006 in Cancer Prevention, Nutrition Topics in the News, Weight Management, Women's Health

Weight gain linked to breast cancer risk

According to recent study findings published in the journal Cancer, the more weight a women gains in adulthood, the higher her risk of developing breast cancer. The study, with over 44,000 participants found that women who experienced the greatest weight gain had the highest risk of developing breast cancer. Overall it was found that women who gained 60 pounds, compared to women who gained 20 pounds or less during adulthood, were almost twice as likely to develop certain kinds of tumors. Extremely obese women were nearly three times more likely to develop the disease than women with less weight gain. These latest findings add to the growing evidence that suggests that overall cancer incidence and mortality resulting from overweight and obesity is increasing, effecting other prevention and treatment efforts. Since breast cancer is linked to increased levels of circulating estrogen hormones and fat tissue increases the levels of estrogen, obesity has been shown to play a significant role in increasing the risk of cancer.

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