...to seek pleasure and avoid pain is extremely strong. It has been considered that addiction is the overt mechanism of a weak will. Then again, it may be a physical reaction to certain chemicals contained in drugs and alcohol (and food - sugar is said to be addictive). Depression, largely due to its association with the neurotransmitters of the brain, is often a result as well as a motivation for drug and alcohol use that leads to addiction.
Riessman and Carroll (1996), have classified addiction into simple and complex. The simple addiction is one in which the body does not necessarily 'crave' the substance but the user does experience gratification (either physical, psychological or both) with use that causes him or her to return to the behavior. Simple addictions can, indeed, be overcome through...