Anecdotally I've lost more friends to weed than cocaine (not lost as in died, just found it impossible to maintain the friendship). I'm not sure anecdotes are t

Anecdotally I've lost more friends to weed than cocaine (not lost as in died, just found it impossible to maintain the friendship). I'm not sure anecdotes are that helpful here. Unfortunately I've never actually read a study comparing the two, do we even have accurate statistics on cocaine use?