What is the correlation between personality disorders and substance use?  
Include at least one scholarly source to support your response. Cite any scholarly references accordingly using in-text citations and a reference list. 
This discussion question meets the following NASAC Standards: 
4) Recognize the potential for substance use disorders to mimic a variety of medical and psychological disorders, and the potential for medical and psychological disorders to co-exist with addiction and substance abuse. 
14) Be familiar with medical and pharmaceutical resources in the treatment of addictive disease and other substance-related disorders. 
23) Understand and appropriately apply agency-specific policies and procedures for handling crises or dangerous situations, including safety measures for clients and staff.