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Bad news for any extreme exercise junkies out there: excessive vigorous exercise could muffle your immune system. At least, that's what a 2023 study analyzing over 4,700 post-exercise fluid molecules from firefighters suggests.
"We wanted to take an in-depth look at what's happening in the body and see if we're able to detect danger from exhaustion in its earliest stages,"PNNL bioanalytical chemist Kristin Burnum-Johnson."Perhaps we can reduce the risk of strenuous exercise for first responders, athletes, and members of the military.
"We postulate that the decrease in inflammatory molecules we observed in the saliva after exercise might represent an adaptive mechanism to improve gas exchange in response to higher cellular oxygen demand."
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