Vigorous physical exercise can lower lymphoma cancer risk

Not mere exercise but vigorous physical exercise can keep the risk of non-Hodgkin lymphoma (NHL) at bay during one’s lifetime, said a new study.

“Our findings suggest that people who do vigorous physical activity may also have a lower risk for NHL,” said Terry Boyle of the University of British Columbia. “We found that vigorous-intensity physical activity, such as activities that increase breathing and heart rates to a high level, was the most effective at lowering risk,” he said.

The study also said that thos who are physically active have a lower risk of some cancers such as colon and breast cancers.exercise

Based on the data available from a case-control study undertaken dueing 2000 and 2004, on 820 NHL patients (59 percent men) of varying ages from the British Columbia Cancer Registry and 848 randomly selected controls matched for age, gender and residential location from the Client Registry of the British Columbia Ministry of Health, the researchers underscored the link to physical exercise to low cancer risk.

Participants were asked to record the average number of days per week and average number of hours per day they performed mild, moderate, or vigorous physical activity for each decade of life.

The researchers assigned a metabolic-equivalent (MET) value to the different types of physical activity, and calculated the average number of MET-hours per week of physical activity for each participant’s lifetime.

Study participants who were in the higher (second, third, and fourth) quartiles of vigorously-intense physical activity performance in their lifetimes had about 25 percent to 30 percent lower risk for NHL, compared with those who were in the lowest (first) quartile of vigorously-intense physical activity.

“In this case-control study, we found that the most physically active participants had a lower risk for NHL than the least active participants,” Boyle said.

The study appeared in the journal Cancer Epidemiology, Biomarkers & Prevention.

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