depression

Depression is a state of low mood and aversion to activity. A depressed person will experience or display some of the following:[1]

* Persistent sadness, anxiety or feelings of emptiness
* Feelings of hopelessness, helplessness and/or pessimism.
* Feelings of worthlessness or guilt
* Contemplating suicide or suicide attempt
* Problems concentrating, remembering details and making decisions
* Fatigue and loss of energy
* Persistent aches, pains or digestive problems that are resistant to treatment
* Irritability or restlessness
* Insomnia, waking early, or excessive sleeping
* Overeating, or appetite loss
* Loss of interest in activities that once were pleasurable (e.g., hobbies, sex, social activities, etc.)