There have been a number of erroneous social media posts claiming that wearing masks lowers oxygen and increases carbon dioxide levels in the blood. In fact, all masks provide adequate airflow, just like oxygen can get in, carbon dioxide can safely get out. See more information on the website of the BBC, FORBES, the LA
An interesting guide that covers the recent COVID-19 outbreak and what cancer patients, along with their family members, should know. Read more about it on Asbestos.com, a free health site.