There are many organizations, both within governmental agencies, and within non-governmental organizations, that just like Sentiens, have an interest or focus on dealing with addictions.
Listed below is a representative sampling of the most significant organizations in general and for each addiction area.
U.S. Food and Drug Administration – www.fda.gov
National Institute of Health www.nih.gov
National Center for Complementary and Alternative Medicine – http://nccam.nih.gov/
NIDA (National Institute on Drug Addiction) http://www.drugabuse.gov/
National Cancer Institute www.cancer.gov
Center for Disease Control and Prevention www.cdc.gov/tobacco
World Health Organization www.who.int