THC and other cannabinoids exert antidepressant-like actions and mood elevation.
Link: Antidepressant-like Effect Of Δ9-tetrahydrocannabinol And Other Cannabinoids Isolated From Cannabis Sativa L
Year: 2010
DOI: 10.1016/j.pbb.2010.03.004
Possible to probable range of efficacy of cannabis for treatment of Depression according to the results found in this study.
Δ9-THC, Δ8-THC, CBG, CBN, CBC, CBD