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Fatigue

People who are depressed undergo a series of physical and emotional changes. They can experience fatigue, as well as psychomotor retardation, or a slowing down of physical movements, speech, and thought processes.

According to Josh Klapow, PhD, a clinical psychologist with the University of Alabama at Birmingham's School of Public Health, men are more likely than women to report fatigue and other physical symptoms of depression as their chief complaints.

Next: Sleeping too much or too little