Published: Fri, November 09, 2018
Health Care | By Oscar Goodwin

Women who are early risers have lower risk of breast cancer

Women who are early risers have lower risk of breast cancer

New research conducted in the United Kingdom found that women who wake up earlier in the morning have a lower risk of developing breast cancer.

The Mendelian randomisation analysis, which included data from BCAC of 122,977 cases of breast cancer and 105,974 women without the disease (the controls), found that a preference for mornings reduced the risk of breast cancer by 40 per cent compared with being an evening type (an "owl"). Also, the research notes that women who slept longer than seven to eight hours had a 20 percent increased risk per additional hour slept.

But Dr Rebecca Richmond, a University of Bristol researcher who co-authored the study, says it remains unknown how this new finding could influence breast cancer prevention.

Dr. Sowmiya Moorthie, senior policy analyst in epidemiology at PHG Foundation, who was not involved in the research, added that the study's major strength is the use of "multiple approaches to examine the links between sleep traits and breast cancer, which allows the researchers to demonstrate consistency in their findings".

It said in a statement that the breast cancer awareness week was observed around the world in the month of October, as an annual global campaign organised by major breast cancer charities to increase awareness of the disease and to raise funds for research into its cause, prevention, diagnosis, treatment and cure.

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"More work is needed to understand why sleep characteristics may be linked to breast cancer risk".

Results from 228,951 women enrolled in an global genetic study conducted by the Breast Cancer Association Consortium (BCAC) were also included in the analysis.

"Previous research has looked at the impact of shift work, but this is showing there may be a risk factor for all women".

The study used a genetic method known as Mendelian randomization.

Out of the 400 000 women, 2,740 were breast cancer survivors and 149 064 were disease free.

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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.

She is a research fellow in the Cancer Research U.K. Integrative Cancer Epidemiology Program at the University of Bristol.

"We know already that night shift work is associated with worse mental and physical health".

The Chief Executive Officer, AXA Mansard Health Limited, Mr Tope Adeniyi, said, "There is still no sure way to prevent breast cancer yet". Men and women of all ages are encouraged to check themselves for breast cancer as it can affect anyone.

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

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