{"term":{"id":"11564","title":"addiction","longtitle":"IUPAC Gold Book - addiction","doi":"10.1351\/goldbook.11564","code":"11564","status":"current","synonym":"<em>synonyms<\/em>: physical dependence, psychological dependence","definitions":[{"id":1,"text":"Compulsive, uncontrolled reward-seeking behavior, especially referring to substance use.","notes":{"1":"An addiction may be psychological, referring to a craving or felt need for a behavior that produces a desired mental state without a known physiological basis, or it may be a physical (physiological) dependence in which discontinued use of a substance leads to symptoms of withdrawal."},"links":[{"term":"habituation","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/11798"},{"term":"withdrawal","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/12181"}],"sources":["PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)' on page 844 (https:\/\/doi.org\/10.1515\/pac-2015-0103)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/11564\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/11564\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/11564\/plain"},"citation":"Citation: 'addiction' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.11564","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-04-18T01:26:46+00:00"}}