Drugs and addiction The Norwegian Institute of Public Health performs analysis of narcotics and medicines in biological samples and research into their effects and addiction mechanisms. Les på norsk From the Public Health Report Public Health Report Updated 09.12.2019 Substance use disorders Prevalence and development of alcohol dependency and other substance use disorders in Norway, as well as risk factors and consequences. Public Health Report Updated 24.05.2019 Alcohol and other psychoactive substances On average, Norwegians consume almost 7 litres of pure alcohol per year, with men drinking twice as much as women. Cannabis is the most used illicit drug in Norway. Show more Reports Systematic review Published 11.10.2019 Buprenorphine versus methadone for pregnant women in opioid maintenance treatment We have summarized existing research on the effects of buprenorphine compared with methadone on women who have been in OMT throughout or in parts of their pregnancies. Systematic review Published 30.11.2018 Tapering from buprenorphine or methadone for pregnant women in opioid maintenance treatment (OMT) We have summarised the evidence on effects for mother and child of tapering compared with continued maintenance treatment during pregnancy. Systematic review Updated 08.03.2017 Alternative opioid agonists in the treatment of opioid dependence: a systematic review In this review, we have looked at treatment with slow release oral morphine and levomethadone. These treatments are compared to the three medications used in Norway. Systematic review Published 02.03.2017 Effectiveness of tapering from methadone or buprenorphine maintenance treatment compared to traditional maintenance treatment for people with opiate addiction: systematic review Helsedirektoratet bestilte en systematisk oversikt om effekten av nedtrapping (tapering) av metadon eller buprenorfin sammenlignet med LAR uten nedtrapping for pasienter med opioidavhengighet. Systematic review Published 23.12.2016 The effects of concurrent prescription of benzodiazepines for people undergoing opioid maintenance treatment This systematic review summarised the effects of concurrent prescription of benzodiazepines among people who receive opioid maintenance treatment. Systematic review Published 14.12.2016 Unsupervised intake of medicines for individuals in opioid maintenance This systematic review compares effect of unobserved with observed administration of opioid agonist drug for people receiving opioid maintenance treatment. Systematic review Published 14.12.2016 Use of biological samples in rehabilitation of persons receiving opioid maintenance treatment: This systematic review summarises the effects of using biological samples in the rehabilitation of persons that receives opioid maintenance treatment. Mapping review Published 16.11.2016 Research on the effect of substance use interventions for youth with drug use disorders, or co-occurring drug use disorder and mental problem/ mental illness A librarian carried out the literature search in 13 social and medical scientific databases from 2000 to September 2016. Statistics Published 03.06.2016 Drug Situation in Norway 2010 Annual report to EMCDDA Show more Projects Opioid maintenance treatment (OMT) for opioid dependence. Effects and experiences. 17.07.2019 A Scandinavian cohort of pregnant women in opioid maintenance treatment during pregnancy: long term consequences for the child (ScopeOMT) 25.03.2019 Buprenorphine versus methadone for pregnant women in opioid maintenance treatment (OMT) 02.01.2019 Tapering for pregnant women in opioid maintenance treatment (OMT) 01.06.2018 Pathways from Normal and Disordered Personality to Substance Use Disorders 01.09.2017 See all Research findings Cannabis abuse possible cause of psychosis 08.11.2016 Immunotherapy inhibits heroin effects in research animals 20.01.2015 Related topics: Theme Alcohol Alcohol can affect mental and physical health, family life and other social relations. High levels of consumption lead to intoxication, with increased risk of injury and accidents. Theme Smoking and tobacco Nicotine is an addictive substance found in cigarettes, snus and e-cigarettes. Cigarette smoke contains many harmful substances.