Alcohol

AvoidCaution

2 studies · 2 recommendations

Last updated: February 25, 2026

Avoid1 studies

Substance abuse linked to worse cancer pain outcomes

Alcohol and substance abuse were identified as factors significantly associated with pain intensity and pain relief in cancer patients. Avoiding alcohol may help improve pain management outcomes.

Evidence

Cancer pain classification

Authors: Knudsen, Anne Kari

Published: January 1, 2012

In a European multicenter study involving more than 2,000 cancer patients using opioid therapy, substance abuse (including alcohol and drugs) was identified as one of ten factors significantly associated with the degree of pain intensity and/or pain relief. The systematic review framework supporting this finding drew from six formal cancer pain classification systems and was part of the EU-funded European Palliative Care Research Collaborative (EPCRC) initiative to develop an international cancer pain classification system.

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Caution1 studies

Light alcohol consumption associated with lower mortality in survivors

Light alcohol consumption showed a modest survival benefit compared to non-drinking or heavy drinking among cancer survivors, though moderation is key and individual circumstances may vary.

Evidence

Healthy Lifestyle and Cancer Survival:A Multinational Cohort Study

Authors: Bian, Zilong, Ding, Yuan, Fan, Rong, Larsson, Susanna C., Li, Xue, Theodoratou, Evropi, Wang, Lijuan, Wu, Shouling, Yuan, Shuai, Zhang, Rongqi, Zhu, Yimin

Published: January 1, 2024

Among 37,095 cancer survivors followed across four prospective cohorts in the US, UK, and China, light alcohol consumption was associated with an adjusted hazard ratio of 0.86 (95% CI: 0.82–0.90) for all-cause mortality—a 14% relative risk reduction. This was one of five modifiable lifestyle factors evaluated; when combined into a healthy lifestyle score, adherence to 4–5 factors yielded an all-cause mortality HR of 0.55 (95% CI: 0.42–0.64) and cancer mortality HR of 0.57 (95% CI: 0.44–0.72).

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