Adults diagnosed with this disorder experience a mildly depressed mood more often than not for at least two years. they display at least two of the following symptoms: problems regulating appetite, problems regulating sleep, low energy, low self-esteem, difficulty concentrating and making decisions, or feeling of hopelessness.

Dysthymia

Explanation:

Depression is a serious mental illness. It is a psychological disorder. It consists of symptoms like sadness, hopelessness, helplessness, and worthlessness.  

Dysthymia is also a type of depression. Dysthymia and major depression has many common symptoms such as  

Thus in the above statement, the adult is diagnosed by the symptoms such as problem in regulating the appetite, lack of concentration and low self-esteem indicates the dysthymia disorder.

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