In recent times, washing our hands may be more top of mind. Just as important is wearing a mask as a way to protect ourselves and others while we breathe. Our Chief Science Officer, Dr. Nazlie Latefi, offers important information about the way our airway epithelial cells (the cells lining our mouth, nose, throat, and lungs) are there to defend us. Learn more about how these cells work with the immune system to keep us safe while we breathe. Read More.