The significant characteristic of a major depressive episode is a period of at least two weeks during which there is either depressed or loss of interest or pleasure all activities. For children, expect to see irritability rather than depression other signs of depression to watch for:
Loss of interest in normal daily activities
Irritable and moody
Reduced self-care
Substantial weight loss or weight gain
Moods of hopelessness
Insomnia or sleeps too much
Fatigue and loss of energy
Expressing feelings of worthlessness
Unwarranted guilt
Difficulty concentrating
Difficulty making choices
Complaints of headaches, stomach aches
Social isolation
Suicidal thoughts, actions, or plans.
Royal Society for Public Health in the UK surveyed 1500 young people, ages 14 to 24, to define the effects of social media use on problems such as anxiety, depression, self-esteem, and body image. They Instagram, Facebook, Twitter, and SnapChat all had negative effects on mental health