British scientists say women whose biological watches have proven "awake early" are at a low risk for breast cancer. According to the team at Bristol University, the reason for it is still unclear.
In their view, this conclusion is important because it can affect any woman who is in danger.
Experts say the results of the Glasgow Cancer Agreement are adjacent to confirm the importance of sleep for health.
Everyone has a biological clock that controls body functions for about 24 hours. It's also called the rhythm of the day.
It affects everything – from the way we lie to our mood and even the risk of a heart attack.
However, not all watches do the same.
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Rarely people get up early, their energy reaches the peak during the day and they get tired earlier in the evening.
In the morning more people become more difficult in the morning, their productivity reaches the highest level later and prefer to sleep later.
Is it in any way related to breast cancer?
Scientists think so. They have used a smart new way of analyzing data called Mendel's Randomization.
They have reviewed 341 DNA snippets that control whether we are early or late birds.
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They then used this information to conduct an experiment with more than 180,000 women from the BioBank project in the United Kingdom and nearly 230,000 women in the Cancer Association study.
The results indicate that the risk of breast cancer in women genetically pre-programmed in the early stages is lower than in other groups.
Since these DNA fragments were born at birth and are not related to other known cancer agents, such as obesity, it means that scientists are convinced that the cancer is a finger for biologists.
How big is the impact?
Almost every one in every seven British women suffers from breast cancer in their lives.
However, this study focuses only on the small life expectancy of women for 8 years.
In this period, according to a study of 2 out of 100 women who lay late and later develop cancer, compared to one in 100 at an early start.
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If a person falls asleep well, will it prevent cancer?
It is not so simple.
According to Dr Rebecca Richmond, one of the authors of the study, it is still too early to provide women with clear advice.
"We still need to find out what is directly threatening the group of women, we need to find a link," Richmond told the BBC.
Do scientists do it?
Science is never 100% confident, but the results of this study coincide with other discoveries.
According to the World Health Organization, the termination of the human body biology due to work shift may be related to the risk of cancer.