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2004 APR 1 - (NewsRx.com & NewsRx.net) -- Young women who have suffered from anorexia run a lower risk of developing breast cancer, suggesting that calorie intake early in life may play a significant role in development of the disease.
Researchers warned that anorexia is a serious mental disorder with sometimes life-threatening complications and that girls and women should not start starving themselves to avoid breast cancer.
Instead, they said the findings are important because they could shed light on how breast cancer develops.
In the study, young women hospitalized for anorexia were found to be about half as likely to develop breast cancer as women overall. The finding does not prove that calorie deprivation is the reason, the investigators pointed out.
"The next step is to try to figure out what the real mechanisms may be" to explain the connection, said co-author Karin Michels, an associate professor at Harvard Medical School who did the research with Anders Ekbom of Karolinska Institute in Stockholm, Sweden.
The findings were published in the March 10, 2004, Journal of the American Medical Association.
Weight gain has long been known to be a risk factor for breast cancer. Moreover, the study fits in with evidence, mostly in animals, that severe calorie restriction can have anti-aging effects, including a reduced risk of cancer and a prolonged life span.
Source: HighBeam Research, Eating habits early in life may affect cancer risk.