[yonaguska]

From the linked article

> Heavy marijuana use in adolescence or early adulthood has been associated with a dismal set of life outcomes including poor school performance, higher dropout rates, increased welfare dependence, greater unemployment and lower life satisfaction.

[jklinger410]

Considering that Marijuana is illegal, this seems impossible to prove.

Show me the development of a teen in a society where open marijuana consumption is a non-issue to compare against.

[thatcat]

Right - you can't use drug tests to unfairly weed people out of employment, then list drugs as the cause of unempoyment and poor life outcomes.