Your Health Antidepressant Side Effects Depression Depression is a condition characterized by persistent feelings of sadness or emptiness. Patients may feel tired, sluggish, or restless and have difficulty thinking, remembering, or concentrating.
Some patients eat more and gain weight while others eat less and lose weight.
Previously enjoyable activities are no longer fun or hold no interest. Patients may cry easily, have feelings of guilt or worthlessness, and experience thoughts of death and suicide. According to the National Depressive and Manic-Depressive Association, more than 22 million American adults are affected by depression. Although it can occur at any age, symptoms commonly occur between 20 and 50. Women are affected about twice as often as men.