What are Mood Disorders?
Mood disorders are illnesses that are categorized by uncontrollable mood changes. According to the DSM IV TR (Diagnostic and Statistical Manual of Mental Disorders), mood disorders are identified when the disturbance in a person's mood is the main, underlying feature.
Mood disorders are very dangerous because they often start at an early age, but are difficult to diagnose in youth.
Mood disorders also have a very high suicide rate.
Types of Mood Disorders:
Statistics on Mood Disorders
Mood Disorders in Adults
Mood Disorders in adults by Age
Neurobiology of Mood Disorders
Mood Disorders are recurrent because of abnormal brain development, which is caused by a combination of genetic, developmental and environmental factors.
Neurobiology of emotions:
Many parts of the brain are involved in emotions, which are largely related to mood disorders. The majors players in regulating emotions are the hypothalamus, cingulate and prefrontal cortexes, and the amygdala.
Genetic Polymorphism: a functional polymorphism is a genetic variant that alters the biological functioning of the individual and is seen in at least 1% of the population. Genetic polymorphisms are believed to play a large role in the development of mood disorders.
Types of polymorphisms seen in Mood Disorders:
Alternatives to Medication to treat Mood Disorders:
As with all mood disorders, it is important to: