People all over the world are choosing to buy masks to protect
themselves from COVID-19 to the point where many stores have empty
shelves.

However, Deputy Chief Medical Officer, Dr. Delon Brennen explained
during a recent interview that there are reasons why healthcare
providers recommend that only sick people and healthcare workers should
utilize masks.

“The reason masks are most useful for sick people is because for example
if 10 of us enter a room, and there is one sick person in the room…