There are strong correlations between trauma and addiction. Often when we think about trauma we generally think about veterans or others that have witnessed or experienced horrifying things. But trauma can come from anywhere and it affects all people across the world.   

Reference Material 
https://dualdiagnosis.org/psychological-trauma-drug-addiction/

https://imprintnews.org/child-trauma-2/when-trauma-slips-into-addiction/32462

https://www.statista.com/topics/7449/post-traumatic-stress-disorder-ptsd/