A large study was conducted in US which relates alcohol consumption to the increased risk of the most common type of cancer, breast cancer among postmenopausal women.
Jasmine Lew, the study's lead investigator and a researcher at the National Cancer Institute said, that, this was the biggest of the three major studies conducted by analyzing more than 184,000 women has concluded that drinking alcohol raises the risk of breast cancer among older women.
Researchers found that women who has one or two small drinks per day were 32 percent more likely to develop a hormone sensitive tumor. The risk is raised by 51 percent among those who had three or more drinks per day.
"Regardless of the type of alcohol, the risk was evident," said Lew, presenting the findings here at a meetthe meeting of the American Association for Cancer Research.
70 percent of the women who were diagnosed with breast cancer have tumors that were positive to both the estrogen and progesterone receptors.
Lew said results from NCI study lend credence to the theory that alcohol's interference with the metabolism of estrogen raises the risk of cancer.
She said that it was too early to make a public health recommendation, but suggest that women should talk about this to their doctors to assess risk factors and consider a lifestyle changes.
Other studies show that a light consumption of alcoholic drinks, especially red wine, protects the heart.
Breast cancer is the second most common killer cancer among women, after lung cancer. It wil be diagnosed in 1.2 million people globally this year and kill 500,000.
Jasmine Lew, the study's lead investigator and a researcher at the National Cancer Institute said, that, this was the biggest of the three major studies conducted by analyzing more than 184,000 women has concluded that drinking alcohol raises the risk of breast cancer among older women.
Researchers found that women who has one or two small drinks per day were 32 percent more likely to develop a hormone sensitive tumor. The risk is raised by 51 percent among those who had three or more drinks per day.
"Regardless of the type of alcohol, the risk was evident," said Lew, presenting the findings here at a meetthe meeting of the American Association for Cancer Research.
70 percent of the women who were diagnosed with breast cancer have tumors that were positive to both the estrogen and progesterone receptors.
Lew said results from NCI study lend credence to the theory that alcohol's interference with the metabolism of estrogen raises the risk of cancer.
She said that it was too early to make a public health recommendation, but suggest that women should talk about this to their doctors to assess risk factors and consider a lifestyle changes.
Other studies show that a light consumption of alcoholic drinks, especially red wine, protects the heart.
Breast cancer is the second most common killer cancer among women, after lung cancer. It wil be diagnosed in 1.2 million people globally this year and kill 500,000.
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