One in 100 women considered daily breast cancer developed compared with two out of 100 who identified themselves as nightly. Cancer risks associated with a person's body clock and sleep patterns were reported in other UK research to explore sleep characteristics as well as genetic factors.
The informed preferences for mornings and nights were recorded in the study of more than 180,000 women, in a study led by Dr Rebecca Richmond, a researcher in the integrated program Cancer Cancer Epidemiology and Epidemiology Unit of the University of Bristol, and presented at the Cancer Conference of Cancer Research Institute in Glasgow.
Early rise with less risk of breast cancer.
The Richmond team also analyzed genetic variants related to the fact that someone was day or night in more than 220,000 women to determine whether this could cause a causal link to breast cancer.
It was shown that women whose genes make them more prone to becoming early stigters were less likely to develop breast cancer up to 48%, as evidenced by 220,000 participants in the study.
Women who reported to sleep more than 7 or 8 hours a night also had a slightly higher risk of breast cancer.
In the second analysis, about sleep of 180,000 participants, they showed a similar trend among daytime women, who had a 40% lower risk of breast cancer. The variation arose due to technical differences, Richmond reported.
Women who reported to sleep more than 7 or 8 hours a night also had a slightly higher risk of breast cancer, with 20% per extra hour of sleep, according to the Melting Team's randomization analysis.
Let's take care of our health to avoid any suffering.
However, the team noted that many factors also interfere with the fact that a person develops breast cancer and that these numbers are not an absolute risk. The results can not be applied in all populations, as most of the accompanying women had a European appeal.