NIH study concludes that re-inhaling your own breath inside masks is healthy – The COVID Blog®

Posted on February 1, 2023 by Wirral In It Together

https://thecovidblog.com/2021/02/20/nih-study-concludes-that-re-inhaling-breath-masks-is-healthy/

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About Wirral In It Together

Campaigner for open government. Wants senior public servants to be honest and courageous. It IS possible!
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