Depression

Depression

Sadness and melancholy are two feelings present at some point in the life of all people, like joy and pleasure. The first two are not in themselves pathological, but sometimes may become so for certain people. When the mood of an individual at a certain point in their life suffer severe and prolonged sadness or related symptoms affecting their ability to relate to others, work or face the day, feelings of sadness becomes a disease, it is known as depression.

symptom:

• Depressed mood most of the day, as indicated by either subjective account or observation made by others. In children and adolescents, mood can be irritable. 
• markedly diminished interest or capacity for pleasure in all or almost all activities. 
• significant weight loss when not dieting or weight gain.
• Insomnia or hypersomnia. 
• Psychomotor agitation or retardation. 
• Fatigue or loss of energy nearly every day.
• Feelings of worthlessness or excessive or inappropriate guilt. 
• Diminished ability to think or concentrate, or indecisiveness. 
• recurrent thoughts of death, recurrent suicidal ideation without a specific plan or a suicide attempt or a specific plan for committing suicide.