Speaking of which, http://en.wikipedia.org/wiki/Academic_doping#Potential_for_addiction references studies that found strong links with other drug use. Also, interestingly, it’s 4.5% ever used in Germany.
Speaking of which, http://en.wikipedia.org/wiki/Academic_doping#Potential_for_addiction references studies that found strong links with other drug use. Also, interestingly, it’s 4.5% ever used in Germany.