What is the evidence for the link between childhood trauma and drug use? What protective factors mean that some children who have a traumatic upbringing, go on to flourish as adults?

Childhood trauma and drug use

Answer the following question integrating the available literature and relating it to the two case studies: What is the evidence for the link between childhood trauma and drug use? What protective factors mean that some children who have a traumatic upbringing, go on to flourish as adults?