World Update, 'Morning people' have lower breast cancer risk

World Update, 'Morning people' have lower breast cancer risk

Morning people who peak in the early hours of the day are less at risk of breast cancer compared to their "evening" counterparts, a study has found.

A study from the University of Bristol compared data on hundreds of thousands of data to find that morning people have a 40-48% lower risk of breast cancer.

In addition, women who slept longer than seven to eight hours had a 20 percent increased risk per additional hour slept.

"In other words, it may not be the case that changing your habits changes your risk of breast cancer; it may be more complex than that", she noted.

'However, the findings of a protective effect of morning preference on breast cancer risk in our study are consistent with previous research highlighting a role for night shift work and exposure to "light-at-night" as risk factors for breast cancer'. The findings, which were not peer-reviewed, were presented at the NCRI Cancer Conference in Glasgow, Scotland. There was less evidence of an association with either insomnia or sleep duration on risk of breast cancer in this study.

"What we can be certain of is that all women - larks and owls - can reduce their risk of breast cancer by exercising regularly, maintaining a healthy weight and reducing their alcohol intake".

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

"The statistical method used in this study, called Mendelian randomization, does not always allow causality to be inferred", said Dipender Gill, clinical research training fellow at Imperial College London.

In 2018, it is estimated that 627,000 women passed away from breast cancer, that is approximately 15% of all cancer deaths among women. The World Health Organization already says disruption to people's body clocks because of shift work is probably linked to cancer risk.

Dr Emma Pennery, of the Breast Cancer Care charity, said: 'Changing your sleeping habits is not as easily done as other proven risk-reducing choices, as they're often part and parcel with jobs, parenting or other health conditions'. 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. "This helps to avoid misleading conclusions that could have been affected by confounding factors".

About the NCRI Cancer ConferenceThe NCRI Cancer Conference is the UK's largest forum showcasing the latest advances in cancer research.

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.

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