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Young children may have been hurt by wearing masks over the past year as they may have been exposed to unsafe carbon dioxide levels in minutes, a study finds.
A study led by researchers Poland, Germany and Austria wanted to test whether making young children wear masks at schools and other public areas could have done more harm than good.
They found that some children were reaching twelve-times the acceptable limit within only three minutes of wearing the mask.
The data is released as schools across the US prepare for the 2021-22 school year, where many younger children will arrive unvaccinated, and may have to wear masks.
Every single child in the study recorded at least three times the appropriate healthy levels of carbon dioxide. Younger children recorded higher levels on average
Researchers, who published their study in JAMA, included 45 children in the study.
Each child was tested for two three-minute time periods.
For each kid, one three minute period was used to count
