IS wearing a mask bad for you? Nurse's experiment shows her N95 did NOT drive up her CO2 levels

Dr Rebekah Diamond of Columbia University took a photo of her blood CO2 levels after wearing an N95. Normal PCO2 levels are between 35 mmHg and 45 mmHg, and Diamond's were 36.4 mmHg.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
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