My swimming experience is nothing like yours in terms of frequency, duration, and no doubt intensity, but anecdotally I have been frequenting an indoor pool these past few months while my preferred outdoor pool is closed over winter. The indoor pool definitely uses more chlorine than the outdoor pool, and I notice that recently I seem to have acquired a more pronounced (but still very mild) level of "baseline" airway constriction, such that I am using a reliever inhaler more frequently. I would not be at all surprised to find that the change in pool environment has something to do with that. My outdoor pool will soon reopen, so I will see if things improve when I switch back...
That's interesting indeed, particularly given that asthma is most often diagnosed in childhood...
I found the
the Reuters article references. Some excerpts:
Again I think this is an interesting topic that is worthy of attention. I'm not sure that framing it from the outset as a matter of deception leading to unfair advantage via abusing therapeutic use exemptions is the most productive way to explore it.