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MYHAT is an age\u2010stratified random sample of the population age 65\u00a0years and older from a small\u2010town in the USA. Half the sample was female and half were over 75 (Mean age\u00a0=\u00a077). Most participants were non\u2010Hispanic White. Marijuana use was assessed by self\u2010report and symptoms of mood disorders were screened using the modified Centers for Epidemiological Studies\u2010Depression Scale and the Generalized Anxiety Disorder screener. Cognition was assessed by the Mini\u2010Mental State Examination and a neuropsychological test battery; functioning using the OARS Activities of Daily Living and Instrumental Activities of Daily Living; and overall assessment using the Clinical Dementia Rating (CDR\u00ae).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>One in five MYHAT participants had a history of marijuana use and 5% reported recent use, primarily for pain (41%) and recreation\/relaxation (37%). Recent use was associated with cigarette and alcohol use, symptoms of depression or anxiety, and impairments in attention.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Twenty\u2010percent of community\u2010dwelling older adults living in a US state where recreational marijuana use is illegal had a history of marijuana use. Recent marijuana use was less common but, consistent with prior research, associated with other substance use and poorer mental health.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.6086","type":"journal-article","created":{"date-parts":[[2024,4,13]],"date-time":"2024-04-13T05:10:35Z","timestamp":1712985035000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Marijuana use among community\u2010dwelling older adults: A population\u2010based study"],"prefix":"10.1002","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8264-3485","authenticated-orcid":false,"given":"Natacha M.","family":"De Genna","sequence":"first","affiliation":[{"name":"Department of Psychiatry University of Pittsburgh School of Medicine  Pittsburgh Pennsylvania USA"},{"name":"Department of Epidemiology University of Pittsburgh School of Public Health  Pittsburgh Pennsylvania 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