JAMA retracts controversial masks study

A controversial study suggesting that masks may harm children by exposing them to high carbon dioxide levels was retracted on Friday. The research letter released in JAMA Pediatrics on June 30 had reported unacceptably high levels of carbon dioxide by German standards in air inside masks worn by children in a laboratory environment. In the retraction notice, the journal editors

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JAMA retracts controversial masks study originally appeared in KevinMD.com.

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