ID :
12159
Fri, 07/11/2008 - 11:53
Auther :

Physical activity found to lower cancer risk: study

TOKYO, July 11 Kyodo - Physically active people have a lower risk of developing cancer regardless of whether their activities are part of work or leisure, a recent government study showed Thursday.

The tendency was notable for risks of colon, liver and pancreas cancers among men and stomach cancer among women, according to the study, led by ShoichiroTsugane, chief of the Epidemiology and Prevention Division at the National Cancer Center.

The study team within the Ministry of Health, Labor and Welfare does not give the exact mechanism but estimates that exercise reduces obesity while enhancingimmunity functions.

The study tracked about 80,000 people aged between 45 and 74 for about eight years in nine prefectures -- Iwate, Akita, Ibaraki, Niigata, Nagano, Osaka,Kochi, Nagasaki and Okinawa.

The team divided the participants into four groups according to the level oftheir physical activity -- the time spent on sports, walking and standing.

During the tracking period, about 4,300 contracted cancer.

Men in the most active group had a cancer risk 13 percent lower than men in the least active group. Women in the most active group had a 16 percent lower riskthan those in the least active group.

==Kyodo

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