These symptoms can make it difficult for people to get along with others, hold jobs, go to school, or even take care of themselves. People who are depressed can't think clearly, concentrate, or enjoy life. They ay think about death. They feel worthless. Decreased or increased appetite and sleeping too little or too much are also symptoms.
Mania is the opposite of depression.
People with mania re excited, elated, hyperactive, irritable, easily distracted, and extremely talkative. They have an inflated self-esteem, a decreased need for sleep, and may go on spending sprees. As a manic episode worsens, a person can experience delusions and hallucinations, which makes such an episode similar to schizophrenia. Bipolar disorder is when people alternate between episodes of mania and depression. There are many different kinds of therapy.