[–] [deleted] 0 points 7 points (+7|-0) ago 

[Deleted]

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[–] 24676151? ago 

What is?

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[–] 24665936? 0 points 16 points (+16|-0) ago 

By causing you to rebreath your own air they induce stress, slow your brain and weaken your immune system. Medically, it is worse than useless.

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[–] 24674662? [S] ago 

That is a really good point.

I knew that but as usual was short sighted on the post.

Thanks for having my back anon.