Patrick McKeown is a world-renowned breathing therapist, best-selling author, and leading authority in the field of breathing for asthma, anxiety, and rhinitis. McKeown answers reader questions on Covid-19 and more, including: How can we best breathe while wearing a mask? How should we breathe if someone nearby coughs? How can I bolster my immune system to help better protect myself form Covid-19? Can breathing help assess general respiratory health? Is deep breathing the same and heavy breathing? How can I best breathe for low blood pressure? More at www.mrjamesnestor.com/breath