Fig. 3. Cortisol and NPY during stress. Correlation between change in NPY and change in cortisol (r = 0.73, p < .001). 
= general troops; 
= Special Forces. Total population R2 = 0.5387 ( = 0.00; = 1.00).
Fig. 3. Cortisol and NPY during stress. Correlation between change in NPY and change in cortisol (r = 0.73, p < .001). = general troops; = Special Forces. Total population R2 = 0.5387 ( = 0.00; = 1.00).