Does My Facemask Cause Me to Breath in Carbon Dioxide? | UPMC

The rumor that facemasks can be harmful because they cause the wearer to re-breathe unhealthy levels of carbon dioxide is untrue.
To learn more about UPMC's response to the coronavirus, please visit www.upmc.com/coronavirus

[@blairakana9984]

Can he see an invisible exhale. He believes what he is told.

[@allsevenspirits]

I smell something that stinks I'm here.......awful smell

[@blairakana9984]

Yeah right. Don’t believe him!

[@Yesterdie02]

Misleading and false...

[@GenieOG]

This is a lie btw I’m a breath coach straight up lies

[@WoolandFlax]

So why breathe into a paper bag?

[@brookemichelle5081]

More lies

[@thealphanoid6160]

Liar