Major depressive disorder
● -Lasts at least 2 weeks, during which the person experiences a depressed mood or loss of pleasure in nearly all activities.
● Symptoms include changes in eating habits, resulting in unplanned weight gain or loss; hypersomnia or insomnia; impaired concentration, decision-making, or problem-solving abilities; inability to cope with daily life; feelings of worthlessness, hopelessness, guilt, or despair; thoughts of death and/or suicide; overwhelming fatigue; and rumination with pessimistic thinking with no hope of improvement.