Being physically active in the morning can lower your risk of cancer

He Barcelona Institute of Global Health has carried out a study in which it has been concluded that the time of day you play sports influences your risk of cancer by circadian disruption, that is, the mismatch between environmental factors (daylight hours and food intake) with our endogenous circadian rhythms.

Until now it was known that physical activity throughout life reduced the risk of cancer, but this option it could increase its effectiveness if the sport is done regularly in the morning, specifically between 8 and 10 o’clock. This is explained by this study coordinated by the Barcelona Institute for Global Health (ISGlobal), a center promoted by the La Caixa Foundation, in which the Department of Epidemiology of the Medical University of Vienna has collaborated.

Manolis Kogevinas, coordinator of the study and researcher at ISGlobal, explained in statements to the Efe agency that most of the research on the possibility of cancer and circadian disruption had focused on night work, but recent research warns that Exposure to light at night and having dinner late can increase the risk of cancer.

The study

The analysis featured 2,195 people of the multicase-control study (MCC-Spain) in Spain. The scientists analyzed the effect of the time of day of recreational physical activity on the risk of breast and prostate cancer in a population-based case-control study.

As a result of this, it was deduced that physical activity in the afternoon and at night slows the production of a hormone that is generated during the night and has anti-cancer properties, melatonin. In men, the effect is just as good if physical activity is done between 7:00 pm and 11:00 pm. The practice of sports in the morning seemed especially protective for the late chronotypes, people who prefer to be active at night.

The results

Overall, the findings of this study indicate that “the time of day that physical activity is practiced is an important aspect which can enhance its protective effect on cancer risk “, Kogevinas has summarized.

“These results, if confirmed, may improve current recommendations for physical activity to prevent cancer. What is clear is that everyone can reduce their risk of cancer simply by doing a moderate physical activity for at least 150 minutes a week“, it is finished.

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