The extent of severity may be more heightened in people with suppressed immune systems. (techtimes.com)
They found, for example, that if you're angry or stressed out for five minutes, it will suppress your immune system for up to six hours. (supernutritionacademy.com)
However, it should be noted that — like many instances where too much of a good thing can be bad — too much exercise will actually suppress the immune system. (appliedhealth.com)