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.
Alcoholism is a medical disease. It involves periodic or constant: 1  impaired control over drinking. 2  preoccupation with alcohol. 3  use and abuse of alcohol in spite of adverse consequences. 4  distorted thinking, especially denial.