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Alarming Link Between Cannabis Use and Increased Mortality in Colon Cancer Patients – CancerWorld
Jul 25, 2025, 16:57

Alarming Link Between Cannabis Use and Increased Mortality in Colon Cancer Patients – CancerWorld

CancerWorld shared a post on LinkedIn:

“Study Reveals Alarming Link Between Cannabis Use and Increased Mortality in Colon Cancer Patients.

A recent study published in the Annals of Epidemiology underscores the heightened risk cannabis users face following a colon cancer diagnosis. With findings showing that patients with a history of cannabis use are nearly 25 TIMES MORE LIKELY to die within five years compared to non-users, this research calls for urgent attention from healthcare professionals.

Key Insights:

  • 55.88% five-year mortality rate for colon cancer patients with a history of cannabis use disorder vs. 5.05% for those without.
  • Adjusting for clinical and demographic factors, the risk remains 10-fold higher.
  • Chronic cannabis use may influence tumor progression and immune responses in gastrointestinal tissues.

Lead author Raphael E. Cuomo, Ph.D. from UC San Diego advocates for screening cannabis use disorders in colon cancer patients to ensure better outcomes.

As cannabis use continues to rise, it is essential that we consider its impact on cancer biology and treatment effectiveness. More research is needed to fully understand these interactions and how they influence patient survival.

Read the full study.”

Yeva Margaryan, Managing Editor at CancerWorld, shared this post on LinkedIn, adding:

“Colon Cancer patients with a history of Cannabis use are 25 TIMES MORE LIKELY to die within five years of diagnosis compared to non-users!”

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