In the mid 90s a team of researchers from a private healthcare company in America made a startling discovery.  They asked over 17,000 people about their experiences of abuse and trauma in childhood, and followed them over 15 years.  They called what they were measuring Adverse Childhood Experiences (or ACEs) and included trauma directly affecting a child, like abuse or neglect, as well as trauma affecting the environment, like witnessing domestic violence. The people they studied were not from disadvantaged…