Choose one of the three Models on How PTSD-SUD Comorbidity Develop 1) Self-medication Hypothesis 2) Substance Induced Anxiety Hypothesis and 3) Shared Vulnerability Hypothesis. Then write about why you feel this hypothesis best explains PTSD-SUD Comorbidity using the course materials and other articles or book chapters if needed. Please make sure to prove your point keeping the following questions in mind:

1) Define the model with example(s)

2) Explain your reasons for why this is the best model

3) Use a made-up case example of a person who would fit your chosen model.

Make sure to cite your resources. Proof read for grammatical errors.