We are all interested in reducing the chance of COVID-19 infection but also for potentially reducing the severity of infection. At this point it is clear that most of us have been or will be exposed to someone who tests positive, how our bodies handle that exposure is largely in our hands. There are several lifestyle factors that, when modified, can be excellent first steps for all of us to take. First, let’s talk about three physiological mechanisms that can benefit from positive lifestyle changes and thus reduce the chance of viral infection and/or severity.