Morbidity among Adolescent Hypnotic Drug Users in Norway: An Observational Population-Based Study.

We have previously shown that the use of hypnotic drugs increased among young Scandinavians during 2012-2018. This study aimed to explore psychiatric and somatic morbidity among adolescent hypnotic drug users in a cohort study of 13-17-year-old individuals during 2008-2018 in Norway. Data sources were (i) prescription data from the Norwegian Prescription Database linked to specialist health care diagnoses from the Norwegian Patient Registry and (ii) sleep disorder diagnoses from the Primary Health Care Database.

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Background: Severe vitamin B12 (cobalamin) deficiency is rare, but international reports show that up to 26 % of the general population may have subclinical vitamin B12 deficiency. The prevalence of vitamin B12 deficiency has not been investigated in Norway. Since 2017, treatment with vitamin B12 tablets has represented an alternative to traditional treatment with intramuscular injections in Norway.