[24gttghh]

Source? Marijauana use and alcohol use both seem to correlate positively with wealth, but Tobacco indeed appears to be a negative correlation. [0]

[0]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3410945/

[paulddraper]

The study you cited is limited to young adults (18-23), which is a rather small segment. A more recent study with a wider population [1]:

> Poorer marijuana users smoking the most. Pot users profile closer to cigarette smokers than alcohol drinkers.

[1] http://www.denverpost.com/2016/08/14/study-poorer-marijuana-...