COVID-19: Doctor wears six face masks to debunk oxygen deprivation myth

A doctor based in Dublin, Ireland, made a video showing him wearing six face masks to set the record straight on masks and their impact on oxygen levels. Read the full story: Subscribe to CTV News to watch more videos: Connect with CTV News: For the latest news visit: For a full video offering visit the CTV News Network: CTV News on Facebook: CTV News on T