Mental disorders and illnesses
Mental illness is considered to be an illness of the mind, which in turn makes it difficult for a person to act normally in society and to have a productive life. In short the chemicals in the brain are off balance and it makes it more difficult for a person to function as normally as possible. Mental illnesses range from depression to schizophrenia. Depression is a psychoneurotic or psychotic disorder marked especially by sadness, inactivity, difficulty in thinking and concentration, a significant increase or decrease in appetite and time spent sleeping, feelings of dejection and hopelessness, and sometimes suicidal tendencies (Merriam-Webster 2010).
Although depression is frequently suspected in a person who is always sad, there are some rules for ruling out other things that may be going on. To properly identify depression, the signs should consistently existent for the majority of everyday for at least two weeks. Also, the depressive manifestation has to be the source for clinically noteworthy harrowing or impairment. Drugs, medication, and medical conditions such as hypothyroidism cannot be the source of the depressive symptoms. Lastly, loss of a loved one, or tragic life events occurring within two months of depressive symptoms will not justify diagnosis of depression.
According to Gupta and Kulhara (2010), schizophrenia is a chronic and disabling mental illness affecting millions of people worldwide. The study of the etiology of schizophrenia is ongoing although perspectives have changed. Schizophrenia is described as a psychotic disorder characterized by loss of contact with the environment, by noticeable deterioration in the level of functioning in everyday life, and by disintegration of personality expressed as disorder of feeling, thought (as delusions), perception (as hallucinations), and behavior —called also dementia praecox (Merriam-Webster,2010). Schizophrenia is seen as an illness of the brain but also an...