Mental illness seems to be a growing problem in societies all around the world. Until the mid-twentieth century a large proportion of people who were classified as mentally ill and admitted to mental hospitals who were actually suffering from physical ailments like epilepsy and brain tumors. Today researchers are learning about the biological origins of many mental illnesses such as schizophrenia, autism and alcoholism. The mental disorders that cause severe social problems are the most extreme forms of mental illness, like the ones that threaten the social order such as a sociopath who becomes a serial killer. The number of individual in society with these disorders is small, but they constitute a serious social problem because they are so violent and irrational.
A more widespread social problem is severely mental ill individuals who cannot care for themselves without special attention. These individuals include people who are mentally ill and chemically addicted, and are likely to be indigent and homeless. …