If so, you might appreciate this research. In a PTSD animal model, glycyrrhizin treatment was found to significantly reduce anxiety, facilitate fear extinction, and restore diurnal serotonin circadian rhythm. The authors conclude, ‘Our study not only helps to understand the role of neurotransmitters in the development of PTSD but also provides an effective therapeutic target for the treatment of PTSD‐associated fear memory disorders.’
Full text available here: https://onlinelibrary.wiley.com/doi/full/10.1111/1440-1681.13173
