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.
Scientists discovered a set of genes in the brain tissues of alcoholics that were not expressed in non-alcoholics' brains. They said they now have more information than ever on the gene causing alcoholism. In the UK, a drug called namalfene is available to around 600,000 adults in England deemed to be mild alcoholics.