Most mainstream training courses began to teach that forms of mental distress such as depression and anxiety have three kinds of cause: biological, psychological, and social.19 They are all real. This is known as the “bio-psycho-social model.”

During these rages, which are typically triggered by a simple parental “no,” the child goes into an almost seizurelike tantrum where he or she kicks, hits, bites, punches, breaks things, and screams foul language. This can go on for three hours at a time, several times a day, and can persist through adolescence if the child is not treated.