“Research supports that mask wearing has no significant adverse health effects for wearers.”
The Journal of the American Medical Association (JAMA) Network (March 2, 2021): Assessment of Respiratory Function in Infants and Young Children Wearing Face Masks During the COVID-19 Pandemic.
“…wearing surgical face masks for 30 minutes was not associated with changes in respiratory parameters or clinical signs of respiratory distress.”
“These findings suggest that the use of surgical masks among children may be promoted during the coronavirus disease 2019 pandemic, especially in view of the reopening of schools.”
“Masks should be used as part of a comprehensive strategy of measures to suppress transmission and save lives”
“MYTH: Masks don’t actually do anything to prevent the spread of COVID-19.”
“MYTH: Wearing a cloth mask will make me sick because of carbon dioxide poisoning.
“MYTH: Wearing a cloth mask will make me sick because mold will build up in it.”
American Academy of Pediatrics: Mask Mythbusters: 5 Common Misconceptions about Kids & Cloth Face Coverings
“Can masks interfere with a child’s lung development? No”.
“Do masks trap the carbon dioxide that we normally breathe out? No.”
“Can masks lead to a weaker immune system by putting the body under stress? No.”
The Journal of the American Medical Association (JAMA) released a research letter, published online, on 6/30/21. The letter stated: "Recent review concluded that there was ample evidence for adverse effects of wearing such masks." However, due to numerous issues with the study, JAMA retracted the research letter on 7/16/21.