Early rising women at lower risk of breast cancer

Lina Al Maeena with Jeddah United

Everybody has a body clock, which governs how the body works in a roughly 24-hour pattern.

Each of us has a circadian rhythm that is unique to us.

It affects everything from when we sleep, to our mood and even our risk of a heart attack.

Morning people or "larks" are early to rise, peak earlier in the day and are exhausted earlier in the evening.

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.

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.

The researchers think so.

The samples from BCAC showed that those with lark variants had a 40 percent lower risk of developing breast cancer than those with night owl variants.

A team at the University of Bristol in England analyzed data from 180,215 women enrolled with the UK Biobank project, and 228,951 women who had been part of a genome-wide association study of breast cancer led by the worldwide Breast Cancer Association Consortium.

The study highlighted individuals who were genetically predisposed to be either "larks" or "owls". 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.

How big is the effect? Among morning larks, that figure was roughly one in 100.

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

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

The study was funded by Cancer Research UK and the Medical Research Council.

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

Dr Richmond said it was said it was still too soon to give clear advice to women.

Is it something about the body clock itself?

There are still many unanswered questions.

"We know that sleep is important generally for health", said Richmond.

In the Mendelian randomization analysis, they found approximately one less person per 100 will develop breast cancer if they have a morning preference compared with people who have an evening preference. "Another limitation is that sleep timing preference (chronotype) is self-reported, and the investigation did not specifically recruit individuals with different sleep patterns, such as night-shift workers", Burgess wrote in the comments of the study.

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