How does exercise improve your immune system? Exercise benefits your immune system in many ways. It can increase blood flow, help clear bacteria out of your airways, cause a brief elevation in body temperature that may be protective, strengthen antibodies to help fight infection, and reduce stress hormones.
Does exercise immediately boost immune system? Exercise stimulates cellular immunity Researchers found that performing aerobic exercise at a moderate to vigorous intensity for less than 60 minutes (an average of 30–45 minutes) increases the recruitment and circulation of the immune system’s best defensive cells ( 2 ).
Does exercise Boost Immunity to Covid? Since regular exercise can help strengthen the immune system, it seems likely that it could also help protect from a severe or life-threatening case of COVID-19.