That is very scary. Chemicals are no joke, and can have repurcussions that we don't immediately notice too. Some of the cans you spray can shut down your testes for good. Pills we take (ibuprofen and acetaminaphen) can dissolve your stomach lining and allow the acid to dissolve your stomach wall after long exposure (I know this for a fact after seeing over half my blood exit my mouth). I think it is a shame and borderline criminal that warning labels do not go into real detail of what the included chemicals can do to your body, so just be careful, read between the lines, and research whatever you are doing well before you do it.
I really feel bad for that guy. He took what would be considered strong precautions, and he still lost capability in his body. Truly sad.
Camelman