Morning people 'less likely to develop breast cancer'

Reham Afandi

Women who like to wake up earlier have almost half the risk of breast cancer as their night owl counterparts, according to a study presented by British scientists on Tuesday.

Women who love a lie-in have a higher risk of developing breast cancer, a new study has warned.

Dr. Rebecca Richmond, a research fellow in the Cancer Research UK Integrative Cancer Epidemiology Program and the Epidemiology Unit at the University of Bristol, said in a presentation about the study reported by CNN: "We know that sleep is important generally for health".

The Biobank samples did not find a link between sleep duration and breast cancer risk but they did confirm that larks have a lower risk of developing the disease.

"These findings have potential policy implications for influencing sleep habits of the general population in order to improve health and reduce risk of breast cancer among women", Richmond said.

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Our circadian rhythms, or body clocks, control bodily functions such as sleep patterns, blood pressure and metabolism and when disturbed can increase the risk of cancers and other diseases.

In other words, it is at present unknown whether it is your genetic body clock itself, or living out of sync with it - for instance, forcing yourself to get up early for work if you are a lark - which affects your breast cancer risk.

The research team, who presented their findings at the National Cancer Research Institute conference in Glasgow, analysed women's genes and asked them whether they were a morning or an evening person.

They utilized a genetic method known as Mendelian randomization in which genetic variants associated with possible risk factors, such as sleep characteristics, were analyzed.

Being a morning person is partly down to genetics, so this lowered risk does make some sense.

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AXA Mansard, a member of AXA, a global leader in insurance and asset management, said it joined in the observance of the concluded breast cancer awareness. Starr, a breast cancer survivor, who is a part of the corporate sponsor Houlihan Lawrence, has been involved in these types of marches for years.

That's according to European researchers looking at International Genetic Data.

So will a good night's sleep stop me getting cancer?

Dan Damon has been speaking to one of the researchers, Professor Richard Martin - an expert in cancer epidemiology from the University of Bristol.

Similar studies have revealed a role for sleep preferences and mental health, including schizophrenia risk.

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Obviously Godolphin has been a huge supporter of mine. "We were confident we had the right horse coming in. Two of his three Cup wins have come since that move. "I can't thank everyone enough.


"Women need to talk to their doctors and the benefits of screenings, self-breast examinations and risk factors".

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