Study: This Activity may Cut Your Risk of 13 Types of Cancer! by for Natural Society
Cancer deaths are decreasing worldwide, but new cases are on the rise as the world’s population ages and obesity continues to explode. Yet if everyone made an effort to get more physical activity, even just a little bit, we’d see those numbers start to come down.
Earlier this month, a massive study involving 1.44 million people was published in JAMA Internal Medicine that revealed a connection between comparatively higher levels of physical activity and lower risk of developing 13 types of cancer.
The strongest effect was seen for esophageal cancer, with 42% lower risk. Physical activity was found to lower liver cancer risk by 27%, leukemia risk by 20%, and breast cancer risk by 10%. Overall, increased physical activity was associated with a 7% lower risk of developing any type of cancer. [1]
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Although exercise lowered the risk of lung cancer by 26%, this effect was found, oddly enough, only in current and former smokers rather than in the total study group.
Exercise has been known to cut the risk of heart disease and death from all causes for decades. Steven C. Moore of the National Cancer Institute and colleagues set out to determine whether physical activity had the same type of effect on cancer risk and, if so, which types of cancer risk it reduced.
For the study, the team analyzed data from 12 U.S. and European study groups in which participants self-reported their physical activity between 1987 and 2004. The researchers looked at the incidence of 26 types of cancer occurring in the study follow-up period, which lasted an average of 11 years.
The study focused on leisure-time activity – done according to each participant’s own schedule for improving or maintaining fitness or health. The researchers tallied participants’ reports of moderate and vigorous activities, such as walking, running, and swimming. The team also tracked the participants’ weekly amount of physical activity. Walking for 150 minutes per week, which meets many physical activity guidelines, was an average level of effort.
