Sweat-prone athletes may be protected from asthma

Updated Wednesday, September 10, 2008 0:00 am TWN, Reuters Health

Sweat-prone athletes may be protected from asthma

NEW YORK -- Active people who are prone to sweating may have some built-in protection from exercise-induced asthma attacks, a new study suggests. The unusual connection suggests that the same mechanisms responsible for generating a person’s sweat “volume” also determines the amount of water secreted by the airways, the researchers speculate.

Essentially, they say, people who sweat less may also have drier airways, which could make the airways more likely to constrict and cause breathing problems during exercise.

The findings, published in the medical journal Chest, are based on tests of 56 healthy Marines who had symptoms of exercise-induced asthma — wheezing, breathless or coughing in response to physical exertion.

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