Malignant Breast Cancer Trigger Obesity
The fact that being overweight can increase the risk of breast cancer due to estrogen was already aware of the scientists . However , that needs to be added is , the condition of obesity also increases the risk of type triple - negative breast cancer is far more lethal .
This is expressed by a number of U.S. scientists and published in the journal Cancer Epidemiology , Biomarkers & Prevention .
According to them , women who are overweight have an increased risk of triple - negative breast cancer by up to 35 percent higher . This is an aggressive form of cancer that affects 10 to 20 percent of breast cancer cases .
" The fact that we found an association of triple - negative breast cancer is quite unique , because biologically , this subtype is very different from other breast cancers , " said Amanda Phipps of the Fred Hutchinson Cancer Research , as quoted by the Straits Times , Wednesday ( 2/3/2011 ) .
Breast cancer is ranked second highest cause of death from cancer among U.S. women , after lung cancer . The disease kills at least 500 thousand people around the world each year . An estimated 1.3 million people worldwide suffer from this disease .
Triple - negative breast tumors so named because sufferers hormone estrogen deficiency , progesterone or HER2 receptors needed for cancer drugs could work
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