According to researchers from Michigan University, people who have less salvia, tears and sweat during exercise may be prone to breathing problems. The researchers suggest that these people have too little fluid in their airways that can cause breath problems.
On the other hand, some asthma experts say that it is too early to say that the research will benefit the patients practically.
The symptoms of chronic asthma and exercise-induced asthma are somewhat similar and usually people with exercise-induced asthma undergo the attack after several minutes of hard exercise.
This is considered a common condition in trained athletes but the reason behind it has not been yet fully understood.
In this study, the US researchers examined 56 volunteers who were suspected of having the condition. They measured their response to a drug known as pilocarpine that helped to induce saliva and sweat production. They also used another drug that constricted the airways in people who had exercise-induced asthma.
The researchers found that the people who had increased response to the other drug were the least responsive to the sweating drug.
The also noticed a correlation between amount of sweat and the amount of tear secretion and saliva even without the drug.
Dr. Warren Lockette, who led the study, said: “We don’t know about the true mechanism, but it appears that low sweetening may also mean less fluid in the airways.”
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