A new study from the Washington University Medicine in St. Louis have revealed that the more alcohol a young woman drinks before motherhood, the greater is her risk of breast cancer.
It was found in the study that when a woman drinks an average of one drink per day between her first period and her first full term pregnancy she increases the risk of breast cancer by 13 per cent. This is the first time that an increased breast cancer risk has been linked to drinking between adolescence and the first full time pregnancy.
Study co-author Graham Colditz, associate director for cancer prevention and control at Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine said, "More and more heavy drinking is occurring on college campuses and during adolescence, and not enough people are considering future risk. But, according to our research, the lesson is clear: If a female averages a drink per day between her first period and her first full-term pregnancy, she increases her risk of breast cancer by 13 per cent.
The study also found that for every bottle of beer, glass of wine or shot of liquor that is consumed daily by a young woman, the risk of proliferative benign breast disease is increased by 15 per cent. This although is noncancerous, it however increases breast cancer risk by as much as 500 per cent.
The findings are based on a review of the health histories of 91,005 mothers enrolled in the Nurses' Health Study II from 1989 to 2009.
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