Enhancing oxygenation of patients with coronavirus disease 2019: Effects on immunity and other health-related conditions

Figure 4 Effect of increasing the aerobic capacity as a defensive role in coronavirus disease 2019. This diagram illustrates possible mechanisms of increasing oxygenation capacity to decrease the severity of coronavirus disease 2019 risk factors, associated disorders, and death rates. The effects of increasing the oxygenation capacity include its effects in decreasing the incidence of diabetes mellitus, hypertension, aging, and heart problems. COVID-19: Coronavirus disease 2019.