B.C. wildfires: Do masks protect you from the smoke? (Dr. Don Sin)
With much of the province experiencing smoky skies, some feel the need to wear a medical mask or other barrier to prevent breathing in toxins from the smoke.
But experts say there’s no evidence that masks work and they might even make the situation worse.
Dr. Don Sin, head of respiratory medicine at St. Paul’s Hospital, says surgical masks can potentially make things worse.
Jon Azpiri reports