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Medicine
Friday, July 20, 2018
/ dmitrimaruta, stock.adobe.com
Berlin Anyone who dines before 9:00 pm or takes his last meal at least 2 hours before going to bed a lower risk of bad and prostate cancer. Compared to people who eat after 10 pm or just before going to bed, the risk of cancer decreases by 20%. Researchers at the Barcelona Institute for Global Health (ISGlobal) found this connection in an observational study published in International Journal of Cancer (2018, doi: 10.1002 / ijc.31649) [19659005PreviousstudieshavebeenpublishedInparticulartherelationshipbetweenthetypeoffood(redmeatfruitsandvegetables)andcanceribadaminedandlessthemodelofnutritionTheresearchersthereforebadyzedthedataof621peoplewithprostatecancerand1205withbadcanceraswellas872menand1321womenascontrolsTheyaskedtheparticipantsabouttheireatingandsleepinghabitstheirmealtimesandtheirchronotype
In addition, participants should indicate whether they are complying with the recommendations for cancer prevention. None of them had previously worked in a shift system known to increase the risk of cancer, particularly in bad and prostate cancer (19459011) 2015, ] European Journal of Epidemiology 2018). However, the largest study did not confirm the badociation between bad cancer and shift work ( Journal of National Cancer Institute 2016)
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The Risk Prostate cancer decreases in hospitalized patients at least 2 hours before bedtime by 26% (odd ratio = 0.74, 0.550.99); the risk of bad cancer increased by 16% (OR = 0.84, 0.671,06). The researchers observed a similar benefit for participants who had their last meal before 9 pm and not after 10 pm. The biggest benefit, however, comes from those whose chronotype was among morning people and those who followed cancer prevention recommendations (OR = 0.66 and 0.65, respectively).
The circadian rhythm influences the effect of the diet on cancer. The study underscores the importance of circadian rhythm in research on nutrition and cancer, says Manolis Kogevinas, researcher at ISGlobal and lead author of the study. The effects could be particularly important in crops such as Southern Europe, where people eat late at night. Other influential factors, such as smoking or socioeconomic status, were also taken into account in the study. Kogevinas finds it difficult to imagine that another unrecognized factor could have affected cancer risk more than meals.
Further explanations are needed to explain the reasons for the badociation observed. One theory explains ISGlobal researcher Dora Romaguera: Everything indicates that the timing of sleep affects our ability to metabolize food. Animal evidence is already available, showing that the timing of food intake affects metabolism and health, said Romaguera. It is not excluded that mealtimes affect other cancers in a similar way, Kogevinas adds. Also in diabetes, obesity and heart attacks in studies, there are indications of a connection with the mealtime.
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