Here ya go little six year old, from the NIH
"Light-headedness, headache, and high blood pressure2,3 are symptoms that have been observed after wearing an N95, which can be associated with shortness of fresh air for inhalation. Elisheva and Rosner4 reported adverse side effects, including headaches, rash, acne, skin breakdown, and impaired cognition in the majority of 343 healthcare professionals working in response to COVID-19. These side effects re-iterate past findings of headaches3 and adverse skin reactions, such as rashes, acne, and itching from mask use.5–7 Rebmann et al.2 investigated the effect of wearing an N95 on outcome variables for ten nurses using longitudinal analysis based on a multivariate linear regression model, and they concluded that the CO2 level increased significantly compared with baseline measures, leading to light-headedness and high blood pressure."
[Post edited by HokieDan95 at 08/28/2023 09:17AM]
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In response to this post by SixerHoo)
Link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8450908/
Posted: 08/28/2023 at 09:15AM