Figure 1From: 0026. Voluntary activation of the sympathetic nervous system and attenuation of the innate immune response in humansPlasma epinephrine concentrations during experimental endotoxemia in control and trained subjects. Data are expressed as mean ± SEM of 12 subjects per group. Gray box indicates period in which the trained subjects practiced their learned breathing techniques. P values between groups were calculated using repeated measures two-way analysis of variance (ANOVA, interaction term).Back to article page