Prior and Parker . Luck being out doesn ' t bode well for Hilton <| sep |> California and everyone else specifically exempts truck drivers from overtime laws . <| sep |> tldr from what I can make out not a scientist so please correct if I ' m wrongA large dose of THC in rats has been shown to give a big dopamine release in previous studies , but no individual human study has found a similar mechanism , though this may be because of inaccurate imaging techniques . They claim comparing 2 previous human imaging studies that previously showed no effect on dopamine in key areas now shows evidence that it does release small amounts of dopamine . I ' m not very clear on what those individual studies were or what the methodology of comparing them is . Also , it only seems to be evident when the person has THC in their system and there don ' t seem to be long term effects , though they claim there is evidence this may dysregulate dopamine production in later life based on other research involving drugs such as amphetamine being shown to effect the dopamine system in a similar but much stronger way . So essentially there is a small correlation between THC dosage and dopamine release but it ' s yet to be directly observed by a single study and we don ' t know what the long term effects are .