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NEW YORK (Reuters Health) – A new study suggests that women who prefer to sleep late at night are more likely to get breast cancer.
The study, conducted by researchers at the University of Bristol in Britain, discussed the relationship between sleep patterns and breast cancer in women, noting that "the results revealed that the risk of Breast cancer occurrence was lower than that of women who start early in the day.
During their study, researchers examined data from 409,166 women, some of whom had breast cancer. "During the research, genetic variants associated with morning or evening preferences, sleep duration and insomnia were used as causal factors contributing to breast cancer," said Rebecca Richmond. who oversaw the study.
The results of the study according to which "the risk of emergence of breast cancer decreased by 40% among women who prefer the morning, compared to those who prefer an evening activity" . He also revealed that "in women who sleep more than 7 to 8 hours, the breast cancer rate increases by 20% per hour of extra sleep."
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