As we resume our discussion on Dual Diagnosis, our beloved Special Guest, Nathan, is back to help continue the conversation.  In this episode we spend time looking at the effects of Covid-19 on mental health disorders and substance use disorders.  We relay some staggering statistics bringing back some questions from our last episode.  Is substance use disorder covering up an underlying mental illness or is the substance use disorder occurring to numb the pain of a mental illness?  Is it like solving a puzzle for each person?