Local Study: Face Masks Don't Cut Oxygen Levels

(Cleveland) - Researchers at Cleveland's University Hospitals Rainbow Babies & Children's Hospital did a study of adults, and found that wearing a face mask does not impair ability for people to get air in and out of their bodies.

The study used 50 adult volunteers. One-third of the subjects said they had chronic health issues, such as asthma.

In the study, not a single participant developed a low level of oxygen or high level of carbon dioxide in the blood while wearing a cloth or surgical mask either at rest or during exercise.

According to the study’s principal investigator, Steven L. Shein, MD, Division Chief of Pediatric Critical Care Medicine at UH Rainbow Babies & Children’s Hospital, the risk to the general adult population of having significantly abnormal levels of oxygen or carbon dioxide when wearing a cloth or surgical mask is near-zero.

(Photo courtesy University Hospitals)

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