Questão 83

A 2006 study of youth athletes in Quebec City turned up the provocative finding that young, high-level swimmers wheezed and coughed far more often than young, indoor soccer players. The swimmers, mostly 8-12 years old, reported in a questionnaire that they frequently suffered from upper and lower respiratory symptoms, lung congestion, breathing difficulties, and sneezing. More than 15 percent had asthma. To ensure that these selfreported symptoms were accurate, the scientists monitored 72 of the young swimmers and 73 of the soccer players over the course of five practices. They found that the swimmers definitely struggled with more breathing problems than the soccer players. Notably, the young swimmers’ difficulties were closely correlated to the levels of chlorine and chlorine byproducts in their pools. More chemicals meant more symptoms.

(http://well.blogs.nytimes.com/2009/07/22/ are-indoor-pools-bad-for-your-lungs/?em)

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