References:
- Mental Health and Substance Use Disorders - (http://www.samhsa.gov/disorders/substance-use)
- Substance use disorder - (http://en.wikipedia.org/wiki/Substance_use_disorder)
- Substance abuse - (http://en.wikipedia.org/wiki/Substance_abuse)
- Substance Abuse and Mental Health Issues - (http://www.helpguide.org/articles/addiction/substance-abuse-and-mental-health.htm)
- 9 Substance-Induced Disorders - (http://www.ncbi.nlm.nih.gov/books/NBK64178/)
Editor: Dr. Simi Paknikar
Technically Checked by: Lingaraj