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PolitiFact

PolitiFact is a United States fact-checking site run by the Poynter Institute. It rates claims by politicians and viral posts on its Truth-O-Meter, from True to Pants on Fire.

Checked by PolitiFact19 Apr 2021United StatesHealth
Diamond and Silk, Pro-Donald Trump activists who

“Says science shows the physiological effects of wearing masks include hypoxemia, hypercapnia, shortness of breath, toxicity and increased muscle tension.”

PolitiFact rated this: False

PolitiFact says: The journal cited in the post, Medical Hypotheses, says its purpose is to publish “theoretical papers." Claims about ill effects from mask wearing that are listed in the article have been debunked.