The transition from drug use to drug dependence: The bridge to more troubled waters
Science Threads on Addiction, Substance Use, and Health, Volume 3, Number 1 - January 31, 2007
http://www.basisonline.org/stash/current.htm
Anja Schumann
At some point in life, most of us have used, perhaps even repeatedly, substances with the potential for dependence. Many people at least try drugs such as alcohol, marijuana, or cocaine. However, few people progress from being users to becoming abusers or drug dependent.