I heard I can get sick from wearing a face mask because of Carbon Dioxide, is this true?
Generally, no. The myth that one can get carbon dioxide poisoning, or hypoxia, from wearing a face mask and breathing in your own expelled breath is unlikely. Non-medical face masks aren’t sealed to the face, therefore air and CO2 circulate in and out of the mask, and they’re typically not worn for a prolonged period of time.
There’s always an increased risk for anyone with a pre-existing underlying health condition, including anxiety, that may cause other symptoms, but in most cases these aren’t significant. If you have concerns about wearing a mask with your respiratory condition, check with your doctor.
For healthcare workers who do wear tighter fitting medical masks or respirators and wear them for a prolonged period of time, the risk may be higher, but they also receive additional training on this. If you’re wearing a medical mask or respirator, be sure to use it properly, to avoid any further health risks or concerns.