<unk>  are attempts by<unk>  psychologists to use the theory of evolution to shed light on the problem of mood disorders within the perspective of<unk>  psychiatry.<unk>  is generally thought of as dysfunction or a mental disorder, but its prevalence does not increase with age the way dementia and other organic dysfunction commonly does. Some researchers have surmised that the disorder may have<unk>  roots, in the same way that others suggest<unk>  contributions to schizophrenia, sickle cell anemia, psychopathy and other disorders. Psychology and psychiatry have not generally embraced<unk>  explanations for behaviors, and the proposed explanations for the evolution of<unk>  remain controversial.
Evolutionary approaches to depression
Suicide intervention
Early intervention in psychosis
Alternative therapies for developmental and learning disabilities
Life-process model of addiction
Treatments for PTSD
Psychological therapies for dementia
Self-help groups for mental health