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Chlorine Free Swim Spas safer for people with Asthma.


June 11, 2004 -- Chlorine levels commonly found in homes and public pools may lead to breathing problems in swimmers, regardless of their history of such problems, researchers say. A new study shows that swimmers experienced breathing problems similar to those associated with asthma after several minutes of swimming even in water with chlorine levels below the recommended level for disinfecting private pools. The study shows that trained swimmers who swam for six to eight minutes in a pool with high levels of chlorine were three times more likely to develop exercise-induced bronchoconstriction (EIB) (commonly known as exercise-induced asthma) than when they swam in water with low chlorine levels or exercised out of the water. Exercise-induced asthma causes narrowing of the airways and difficulty in moving air out of the lung. "We've long suspected that chlorine has an adverse effect on the respiratory health of swimmers," says researcher Arthur J. Williams, MD, of the Sport Science Institute of South Africa, in a news release. "Now we know the likelihood increases significantly with the concentration of chlorine used. Swimmers should be aware of the concentration of chlorine exposure they receive, and those who care for pools should closely monitor chlorine levels."

Check out our Chlorine free option for hot tubs and swim spas.

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