The information in this article was current at the time of publishing, but guidelines and advice can change quickly. Check with your local public health unit for the most-current guidance, and find ...

A new study suggests that face masks have a negligible negative effect on the levels of carbon dioxide and oxygen that a person breathes. All data and statistics are based on publicly available data ...

Research done at the University of Saskatchewan (USask) has found wearing a mask doesn’t affect a person’s ability to breath while they exercise vigorously. Physically-fit and active participants ...

Wearing a mask is critical to reducing the spread of COVID-19, but rigorous tests conducted on behalf of CBC's Marketplace found that while some work very well, others offer little protection from the ...