The discomfort some people feel when wearing a mask is due to the increased awareness of breathing when compared to breathing freely. Being aware of the mask can alter perceptions of breathlessness. However, there is no evidence that mask-wearing can alter oxygen and carbon dioxide levels. People with underlying lung or respiratory conditions should discuss mask wearing concerns with their health care providers. Learn more by visiting the blog post link in our bio.⁠ ⁠ #COVID #COVID19 #Vaccine #Vaccination #WearYourMask