Have you seen this clinical trial? The description is the following: “Wearing N95 masks results in hypooxygenemia and hypercapnia which reduce working efficiency and the ability to make correct decision. Medical staff are at increased risk of getting ‘Severe acute respiratory syndrome'(SARS), and wearing N95 masks is highly recommended by experts worldwide. However, dizziness, headache, … Continue reading Masks reduce oxygenation of our tissues.
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