Among adults 65 and older in the U.S., concurrent tobacco and cannabis use has risen significantly, with prevalence highest among those with chronic diseases, lower education, and lower income. This pattern reflects how substance-related behaviors cluster with existing health compromise and socioeconomic stress—factors that accelerate aging phenotypes and reduce functional reserve.
Key Points
- Tobacco-cannabis co-use prevalence rising sharply in adults 65+
- Chronic disease and lower socioeconomic status correlate strongly with co-use
- Co-use patterns suggest behavioral response to disease burden and stress
Longevity Analysis
The clustering of concurrent tobacco and cannabis use with chronic disease, lower education, and financial strain indicates that substance use is not incidental but responsive to physiological and psychosocial stress. Both substances interfere with the body's capacity to manage inflammation, regulate oxidative stress, and maintain cognitive function—three pillars of healthy aging. The correlation with existing disease suggests a feedback loop: chronic conditions drive substance use for symptom management or stress relief, which in turn accelerates disease progression and reduces lifespan. Addressing this pattern requires understanding the upstream drivers—unmanaged pain, inadequate medical support, social isolation, economic precarity—not just the substances themselves.
Original published by SAGE Research on Aging, by Margaret C. Fahey, Aabha Vora, Sarah Gutkind, Haley V. Solomon, Mireia Triguero Roura, Benjamin H. Han, Pia M. Mauro1Department of Psychology, Middle Tennessee State University, Murfreesboro, TN, USA2Department of Epidemiology, Mailman School of Public Health, 5798Columbia University, New York, NY, USA3Department of Population Health Sciences, 2012295Weill Cornell Medicine, New York, NY, USA4Department of Psychiatry, University of Utah, Salt Lake City, UT, USA5Division of Geriatrics, Gerontology, and Palliative Care, Department of Medicine, University of California, San Diego, CA, USA.