(READ) Study: Face masks expose children to harmful carbon dioxide levels

A recent study finds children wearing masks are exposed to extremely high and dangerous levels of carbon dioxide.

According to the study in the Journal of the American Medical Association’s Pediatrics, the safe limit for carbon dioxide in closed rooms is 2000 ppm.

But all mask-wearing children in the study measured at levels far higher.

The youngest children had the worst carbon dioxide exposure, according to the study, with a seven-year old’s carbon dioxide level measured at 25,000 ppm or more than 12 times the safe limit.

The following is excerpted from the study:

From: “Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children, A Randomized Clinical Trial”

The normal content of carbon dioxide in the open is about 0.04% by volume (ie, 400 ppm). A level of 0.2% by volume or 2000 ppm is the limit for closed rooms according to the German Federal Environmental Office, and everything beyond this level is unacceptable…the value of the child with the lowest carbon dioxide level was 3-fold greater than the limit of 0.2 % by volume. The youngest children had the highest values, with one 7-year-old child’s carbon dioxide level measured at 25 000 ppm. [emphasis added]…

Many governments have made nose and mouth covering or face masks compulsory for schoolchildren. The evidence base for this is weak.1,2 The question whether nose and mouth covering increases carbon dioxide in inhaled air is crucial. A large-scale survey3 in Germany of adverse effects in parents and children using data of 25 930 children has shown that 68% of the participating children had problems when wearing nose and mouth coverings.

Click the link below to read the entire study:


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7 thoughts on “(READ) Study: Face masks expose children to harmful carbon dioxide levels”

  1. What is truly disturbing is the masks for two year olds on planes.The WHO recommended six year old and older.
    Why the extremism ?

    1. Because parents continue to fly with their children regardless of the obvious unhealthiness of masks. If parents refused instead of being sheeparents airlines would lose money and would change their policy. Scandal and money are the only effective levers these days.

  2. Thank you for being an advocate for our children!! How do we get involved at local and state levels? I need to do something more, and this is an area where I believe timing is more critical to any other – our children!!

  3. Michael McBride

    Also consider, that these masks are not certified antiviral PPE. When you look for a water filter, will you not pick the one that is certified to capture 99.89% of all pathogens? Why choose a mask to cover your respirator and think it to be sufficient? Why would they not have mandated an actual truly certified antiviral PPE? I’ll give you a hint…it wasn’t to save grama!!

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