Higher plasma glucose levels correlated with greater brain activity in executive control centers in the ACC and ventromedial PFC, whereas higher levels of plasma cortisol, but not other hormones, were correlated with greater activation in reward regions, such as the insula and putamen (P < 0.01, corrected), in response to high - calorie food cues. (jci.org)
And you guessed it: CBD oil is also able to decrease plasma cortisol levels quite a bit. (gymjunkies.com)
Overall, there was a significant time effect (P < 0.05) but no significant difference in plasma cortisol between the control, lemon spray and electronic collar groups (P > 0.05). (topdogtips.com)