Acute psychosocial stress differentially influences salivary endocrine and immune measures in undergraduate students

► Saliva endocrine and immune molecules were measured in undergrads. ► Subjects were exposed to an acute psychosocial stressor. ► Stress elevated heart rate, systolic blood pressure, and salivary cortisol. ► Stress reduced salivary IgA and but did not change salivary CRP. ► Stress differentially impacted salivary endocrine and immune measures.