Published: Fri, November 09, 2018
Medical | By Johnnie Horton

Study finds morning people are less likely to develop breast cancer

Study finds morning people are less likely to develop breast cancer

Their findings suggest that "larks" - women who function better at the beginning of the day than the end - have a lower risk of developing breast cancer than those who love to lie-in.

The study found that a preference for mornings reduced the risk of breast cancer by 40 per cent compared with being an evening type. What's more, every additional hour slept after the recommended eight-hour sleep was associated with a 20 percent increase in risk.

She added, "Sleep is likely to be an important risk factor for breast cancer, but it isn't as large as other well-established risk factors like BMI or alcohol".

Rebecca Richmond, a research fellow at the University of Bristol involved in the study, said the findings could have implications for those working night shifts.

Attendees of the event included hundreds of family members, sports teams, friends, and even those valiant survivors affected by breast cancer; most wearing sashes to signify their defeat against the cause.

They also found some evidence for a causal effect of increased sleep duration and sleep fragmentation on breast cancer.

They looked at 341 snippets of DNA (the instructions for the human body) that control whether we are likely to be a lark or an owl.

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

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Richmond stressed that the 48% lower risk was identified among "extreme" cases, where people identified themselves as "definite" morning people out of the five categories they could chose from - definite morning, more morning than evening, neither, more evening than morning, definite evening.

In 2018, it is estimated that 627,000 women passed away from breast cancer, that is approximately 15% of all cancer deaths among women.

Breast Cancer walks, such as this one, take place around the country and aid in finding a cure and raising awareness for this disease.

Researchers from the University of Bristol have analysed the link between sleeping patterns and breast cancer in women.

"The authors do not show any biological mechanism by which sleep timing preference could influence breast cancer risk".

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

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

The World Health Organization and its global partners have therefore dedicated October as Breast Cancer Awareness Month; a worldwide annual campaign involving thousands of organisations, to highlight the importance of breast cancer awareness, diagnosis and research.

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