http://www.sorcep.com/ASAP/cp/AddictionVDependence.html
"This is what distinguishes the pain patient who is tolerant to and physically dependent on morphine, from the addict who is also tolerant to and physically dependent on heroin. Both are self-administering an addictive drug several times a day. But while the addict takes his drug to get high, "mellow out," and largely avoid life, the pain patient takes his drug to get on with life."
>>>Please go to the above website to finish reading the rest of this article...