A substance found in chili peppers reduces depressive symptoms in a rodent model of depression, according to research published in Physiology & Behavior. …
— Read on www.psypost.org/2018/10/capsaicin-from-chili-peppers-found-to-produce-antidepressant-like-effects-in-rats-52322
And just by the way, Capsaicin is also an anti inflammatory molecule!