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London: Women who start their day earlier are less likely to have bad cancer than late beginners, suggests a research.
The study found that a preference for mornings reduced the risk of bad cancer by 40% compared to the type of evening.
It was also found that women who slept longer than the recommended seven to eight hours had an increased risk of contracting the disease by 20% per hour of extra sleep.
"The findings of a protective effect of morning preference on bad cancer risk in this study are consistent with previous research highlighting the role played by night work and exposure to" night light "As risk factors for bad cancer," said Rebecca Richmond. , research student at Cancer Research UK.
"We already know that night shift work is badociated with a deterioration of mental and physical health. This study provides new evidence suggesting that sleep disorders may play a role in cancer development, "she added.
The results were presented at the 2018 NCRI Cancer Conference in Glasgow.
For the study, the team examined the data of 180,215 women and 228,951 women in a bad cancer badociation study covering the whole of the genome.
Using genetic variants badociated with morning or evening preferences, sleep duration, and insomnia, they investigated whether these sleep traits had a causal contribution to the risk of bad cancer.
They also found evidence of a causal effect of increased duration and fragmentation of sleep on bad cancer.
Researchers believe that their findings have implications for policy makers and employers.
"These findings have potential policy implications for influencing the sleep patterns of the general population to improve health and reduce the risk of bad cancer in women," said Richmond.
Mr. Richmond said, "We would like to continue the work to study the mechanisms underlying these results, because the estimates obtained are based on questions related to morning or evening preferences rather than whether people stand up any longer. early or later in the day.
"In other words, changing your habits may not change your risk of bad cancer; it may be more complex than that, "she said.
Source: IANS
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