National Institute on Drug Abuse http://www.nida.nih.gov/
A respected scientific research institution that studies and disseminates information on drug abuse and addiction prevention, treatment, and policy.
Commonly Abused Drugs
Gives a succinct description of each drug's effects, including severe mental health consequences.
The Illinois MISA Institute http://illinoismisainstitute.org/
Develops and conducts basic, intermediate and advanced training on dually diagnosed patients for Illinois' public mental health and substance abuse systems staff.