Caveat: the proposed mechanism might not work if exercising in an area with significantly polluted air (indoor environments can get really bad if the HVAC isn't designed and maintained properly) [1].
[1] https://www.ncbi.nlm.nih.gov/pubmed/21708224
Caveat: the proposed mechanism might not work if exercising in an area with significantly polluted air (indoor environments can get really bad if the HVAC isn't designed and maintained properly) [1].
[1] https://www.ncbi.nlm.nih.gov/pubmed/21708224