Physical activity in adolescence associated with a reduced risk of brain

Participants who were physically active during adolescence had a reduced risk of glioma, the risk was 36 % lower than those who remained inactive, the study found. The researchers also found that those who were obese during adolescence had an increased risk of glioma, the risk was about 3-4 times that of people who have normal weight in adolescence. But Moore warned that ?we have not had a lot of people in the study who were obese in adolescence.? Moore and his colleagues also confirmed the results of previous studies linking the height at increased risk of glioma, the greatest risk among the participants was double that of those considered to be the shortestGliomas are the most common type of brain cancer, accounting for nearly 80 % of tumors of the brain and central nervous system. Although little is known about the causes of glioma, some evidence suggests that exposure early in life may play a role in the etiology of the disease. Because the brain develops rapidly during childhood and adolescence, may be more sensitive to environmental influences during this period.

Researchers at the University of Sydney in Australia, found that patients with a sedentary lifestyle who engage in routine physical activity reduce the risk of nonalcoholic fatty liver disease . The lowest risk of problems associated with fatty liver was not subject to weight loss, but a direct result of an increase in aerobic exercise.

?These results highlight the potential importance of habits in childhood and adolescence to the risk of brain cancer in adulthood. Further research is needed to understand the biological mechanisms underlying these relationships,? added Ambrosoni, who is a member the editorial board of Cancer Research and was not associated with this study.

Although little is known about the causes of glioma, the National Cancer Institute researchers have discovered that this rare but often fatal form of brain cancer may be related to physical activity and life in early high.

?Apart from our conclusion in height, which had been previously reported, these results were surprising,? he said.

?But, to our knowledge, no one has looked at risk of glioma related to the energy balance in childhood and adolescence before.?

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