National Institute on Drug Abuse National Institute on Drug Abuse NIDA issued 13 principles of effective treatment National Institute on Drug Abuse National Institute on Drug Abuse DrugAbuse.com each addict is different it is crucially important to treat all diagnoses Thirteen Principles of Effective Drug Treatment National Institute on Drug Abuse NIDA: 13 Principles of Effective Addiction Treatment National Institute on Drug Abuse NIDA: 13 Principles of Effective Addiction Treatment according to NIDA effective treatment for both conditions