Basically, there are three types of any equilibrium: (a) Stable Equilibrium: There is stable equilibrium, when the object concerned, after having been disturbed, tends to resume its original position. Thus, in the case of a stable equilibrium, there is a tendency for the object to revert to the old position.
The modern disease theory of alcoholism states that problem drinking is sometimes caused by a disease of the brain, characterized by altered brain structure and function. The American Medical Association (AMA) declared that alcoholism was an illness in 1956.
For many decades it's been widely accepted that alcoholism (or addiction) is a disease. The disease concept is taught in addiction training programs and told to patients in treatment programs. It is unquestioned by public figures and the media. agree that addiction is not a disease, but believe that it IS an illness. The reward-seeking element can rapidly disappear, even if this is what got an addict started in the first place. This is rapidly replaced by a physical need, mainly a need to avoid the intense pain of withdrawal.