Just a random thought – how healthy is all that chalk dust we inhale at the climbing gym? I’m not sure I want to know…
Everything climbing and the outdoors.
Just a random thought – how healthy is all that chalk dust we inhale at the climbing gym? I’m not sure I want to know…
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One of the climbing fishwraps had a report on this some years ago. I think the finding was that it appears to be a nuisance that might aggrevate existing conditions but is generally thought to not be harmful.