Sport Could Reduce Risk Of Lung And Colorectal Cancer

Having to maintain physical fitness has only advantages. And in particular that of reducing the risks of developing lung cancer or colorectal cancer, according to new scientific work.

Among those who have developed lung cancer or one colorectal cancer, those who had a good physical condition before diagnostic had a lower mortality rate than the others, this is what this new study reveals, the results of which were published online in the journal Cancer. Led by the team of Catherine Handy Marshall, doctor and professor at the Johns Hopkins School of Medicine, at Baltimore (United States), the study followed and observed 49,143 adults, 40 to 70 years old, for more than seven years. None of them had cancer at the start of the study.

Over an 18-year period, from 1991 to 2009, participants were subjected to exercise tests, a medical examination that consists of assessing cardiorespiratory health from exercise physical supported. The objective was to learn more about the relationship between fitness and the risks of lung cancer and colorectal cancer.

Theimpact cancer was obtained by linking to the National Mortality Index cancer and all-cause mortality registry. This is the largest study of its kind to include a high percentage of women and non-white people (29% African-Americans and 1% Latinos).

Significantly reduced risk of death

The risks of developing lung cancer and colorectal cancer decreased by 77% and 61% respectively, among people in good physical condition. Among those who developed lung cancer, those who had better fitness had a 44% reduced risk of death during follow-up. Colorectal cancer patients have benefited from an 89% reduction in mortality risk through physical exercise.

" Stress tests are commonly performed by many patients in collaboration with their doctors, estimates Catherine Handy Marshall. Many people may already have these results and be aware of the association between fitness and the risk of cancer, in addition to the impact of fitness for other conditions, such as heart disease. " She highlights the need for further research to determine if theimprovement of physical condition can influence cancer risk and death rates.

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