Cannabis use in older adults is up, according to researchers who used a national survey database to study emergent patterns in older adult use of the substance.

Their results were published online in JAMA Internal Medicine .

After noting an upward trend in seniors using cannabis — from 1.0% in 2005 to 4.2% in 2018 — a group of investigators led by Benjamin H. Han, MD, from the University of California San Diego School of Medicine, conducted a cross-sectional analysis of the 2021-2023 cohorts from the National Survey on Drug Use and Health.

Their sample included 15,689 adults aged 65 years or older. More than half of the sample (54%) were women. Han and colleagues found that when compared with prior years, past-month cannabis use increased significantly across the cohorts, from 4

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