Mood disorders

Mood disorders, also known as affective disorders, are psychiatric conditions that cause significant changes in a person's emotional state. They can affect a person's energy levels, behavior, and ability to function. Some common mood disorders include:

Depression: A period of at least two weeks of feeling sad, hopeless, or uninterested in normal activities
Bipolar disorder: Alternating periods of depression and mania, or a higher mood
Dysthymia: A chronic, low-grade depressed or irritable mood that lasts for at least two years

Other symptoms of mood disorders include:

Difficulty concentrating
Rapid speech or movement
Agitation or irritability
Risk-taking behavior
Insomnia or trouble sleeping
Loss of pleasure in most or all activities
Low self-esteem