Too much body fat may increase the risk of his triple-negative breast cancer, a rarer and more aggressive form of the disease, a new study claims.
According to the triple negative Breast Cancer Foundation, this type of breast cancer is diagnosed when a cancer does not have three "receptors" associated with breast cancer tumors: estrogen receptors, progesterone receptors and human epidermiko growth factor receptor 2 's. The triple negative breast cancer chemotherapy response, but more targeted therapies usually receiver do not work.
The new study, published in the Journal cancer epidemiology, prevention, and means scientists analyzing data for the 155,723 women, taking part in a study on the effects of menopausal women, hormone replacement therapy. Scientists focused on the body mass index (BMI) levels and exercise of 307 men in the study were diagnosed with triple-negative breast cancer, and women were 2,610 estrogen receptor positive breast cancers.
Researchers discovered that women with a higher BMI was 35% higher risk of breast cancer is negative, and triple-a 39% increased risk of breast cancer, estrogen-fed. Body fat has been shown to produce more estrogen.
Overall, the scientists say that the effect was "moderate", but the results can provide new ways for women to reduce the risks of breast cancer is triple negative.
In 2008, the World Health Organization (who) data says cancer killed 7,6 million people worldwide. Breast cancer deaths accounted for 460,000. fifth in a row, behind lung cancer, stomach, liver and colon. And depending on the survey, in 2008, of 1.5 billion adults, aged 20, was overweight. 200 million men and approximately 300 million women were obese.
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