Author Correction: Global burden of amphetamine, cannabis, cocaine and opioid use in 204 countries, 1990–2023: a Global Burden of Disease Study (Nature Medicine, (2026), 32, 2, (527-544), 10.1038/s41591-025-04137-0)

Correction to: Nature Medicinehttps://doi.org/10.1038/s41591-025-04137-0, published online 16 January 2026. In the original version of this article, errors and omissions were identified in the Competing Interests statements of several authors among the GBD 2023 Substance Use Collaborators. Following a comprehensive review of all competing interest declarations, corrections were required for nine authors. The competing interests statement for S. Afzal was incomplete. The statement has been amended to include grants or contracts from the Dean Office, Institute of Public Health Lahore. The competing interests statement for L. Monasta was incomplete. The statement has been amended to include support for the present manuscript from the Italian Ministry of Health to the Institute for Maternal and Child Health – IRCCS Burlo Garofolo, with payments made to the institution under project RC 34/2027; all outside the submitted work. The competing interests statement for J.P.S. was incomplete. The statement has been amended to include support for the present manuscript from the Portuguese Foundation for Science and Technology, including payment of salary under contract reference 2021.01789.CEECIND/CP1662/CT0014; all outside the submitted work. The competing interests statement for L.M.L.R.S. contained inaccuracies regarding the sources of grants or contracts. The statement has been corrected to accurately reflect support received from SPRINT – Sport Physical Activity and Health Research & Innovation Center, Polytechnic of Guarda, 6300-559 Guarda, Portugal and RISE–Health, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal. The competing interests statement for J.A.S. was incomplete. The statement has been amended to include stock or stock options in Atyr Pharmaceuticals. The competing interests statement for A.C.T. contained an incorrect NIH grant number. The grant number has been corrected from K34DA061696 to K24DA061696. The competing interests statements for B. Oancea, K. Krishan, and I. N. Soyiri were omitted from the version of this article initially published. The statements have now been added and read as follows: “B.O. reports grants from the Core Program within the Romanian National Research, Development, and Innovation Plan 2022–2027, carried out with the support of MRID, project no. 23020101 (SIA-PRO), contract no. 7N/2022, and project PNRR-I8 no. 842027778, contract no. 760096. K. Krishan reports non-financial support from the UGC Centre of Advanced Study (CAS II), awarded to the Department of Anthropology, and support from the RUSA 2.0 grant awarded by the Ministry of Education to Panjab University, Chandigarh, India; all outside the submitted work. I.N.S. reports a leadership or fiduciary role in another board, society, committee, or advocacy group, paid or unpaid, as a trustee of the Citizens Advice Bureau for Hull & East Riding, United Kingdom.” These errors have now been corrected in the HTML and PDF versions of the article. No other parts of the article have been changed.