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I am concerned about a friend who I suspect may be suffering from depression. Can you tell me the symptoms of depression?
Symptoms of major depression include:

• No interest in things you used to enjoy

• Depressed mood

• Feeling slowed down or feeling restless

• Feeling worthless or guilty

• Appetite disturbance

• Thoughts about suicide

• Concentration impairment

• Sleep disturbance

• Fatigue.

Someone with major depression has at least five of these symptoms lasting for two weeks or longer. More than 80% of depressed patients will respond to at least one of several available antidepressant medications. Counseling with a mental health therapist can add to the effectiveness of drugs. Treatment needs to continue four to twelve months after full recover is achieved.