With the need now to strengthen our lung function - endurance and stamina - to support immunity against the Covid-19 disease, walking, while practicing social distancing, is an easy access, inexpensive choice in our wellness toolbox. The question arises, as to how daily steps and what intensity level to facilitate this cardiopulmonary objective. Prior national recommendations have include achieving 10,000 daily steps, which has spawned digital and wrist-worn monitors to track everything ...