Various definitions have been developed for the terms associated with the loss of a loved one. Bereavement is the state of having lost a significant other to death; grief is the personal response to the loss; and mourning is the public expression of that
Obsessive-compulsive disorder (OCD) is an illness characterized by recurrent obsessions and uncontrolled compulsions such as repetitive behavioral or mental acts ("rituals") that are performed in response to these obsessions. These ritualistic behaviors a
A panic attack is a discrete period of intense fear of discomfort accompanied by a number of defined symptoms (see below). Some persons experience only one attack in their lives and never experience another. However, persons who have recurrent attacks are
Schizophrenia is a chronic and disabling brain disease. People with schizophrenia often suffer terrifying episodes of hearing internal voices not heard by others, or believing that other people are reading their minds, controlling their thoughts, or plott
Just under 1% of the population develop schizophrenia at some point in their lives. Chronic major mental illness in people under 65 is mainly due to schizophrenia
Autism is not a disease, but a developmental disorder of brain function. People with classical autism show three types of symptoms: impaired social interaction, problems with verbal and nonverbal communication and imagination, and unusual or severely limi