A new study in the British Journal of Cancer has used nearly seven decades of historical data to examine the relationship between population-level alcohol consumption and mortality from several alcohol-related cancers in Australia. The analysis indicates that sustained reductions in per-capita alcohol use could be associated with measurable declines in cancer mortality over time.
Researchers analysed annual per-capita alcohol consumption and cancer mortality data from national sources covering 1950–2018. They applied time-series modelling to estimate the long-term associations between changes in alcohol consumption and age- and sex-specific mortality from four cancer types recognised as alcohol-related: cancers of the upper aerodigestive tract (UADT), liver, colorectal system, and female breast.
CLINICAL SUMMARY
What was examined
A population-level time-series analysis assessing the long-term association between per-capita alcohol consumption and cancer mortality in Australia between 1950 and 2018.
Key findings
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Sustained reductions in alcohol consumption were associated with lower mortality from several alcohol-related cancers, including upper aerodigestive tract, liver, colorectal,l and female breast cancer.
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A one-litre decrease in annual per-capita alcohol intake was linked to modest but statistically significant reductions in cancer mortality over an approximate 20-year lag period.
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No independent association was observed between alcohol consumption and lung cancer mortality after adjustment for tobacco use.
Clinical implications
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The findings reinforce alcohol as a modifiable risk factor for multiple cancers at a population level.
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Cancer prevention strategies may benefit from incorporating public health measures aimed at reducing harmful alcohol consumption alongside individual risk counselling.
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The long latency observed highlights the importance of sustained prevention efforts to achieve measurable reductions in cancer mortality.
Across models that controlled for tobacco consumption and health expenditure, the authors found that a one-litre annual decrease in per-capita alcohol intake was linked with statistically significant reductions in mortality over a ~20-year lag period for several cancer types:
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UADT cancer: ~3.6% lower mortality in males and ~3.4% in females.
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Male liver cancer: ~3.8% lower mortality.
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Colorectal cancer: ~1.2% (males) and ~0.7% (females) lower mortality rates.
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Female breast cancer: ~2.3% lower mortality.
These temporal associations varied across age groups but were generally strongest among adults aged 50 years and older, consistent with the long latency period typical of alcohol-related carcinogenesis. The models did not find a significant link between alcohol consumption and mortality from lung cancer once tobacco use was accounted for.
Reducing population-level alcohol consumption in Australia could substantially lower mortality from UADT, colorectal, male liver, and female breast cancers, particularly among older adults
The findings support the idea that population-level reductions in alcohol consumption could contribute to lower mortality for multiple alcohol-associated cancers over the long term, aligning with existing individual-level epidemiological evidence that alcohol is a causal risk factor for several malignancies. They also highlight the value of considering public health policies that reduce harmful drinking patterns as part of broader cancer prevention strategies.
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The authors concluded, “Reducing population-level alcohol consumption in Australia could substantially lower mortality from UADT, colorectal, male liver, and female breast cancers, particularly among older adults.”
Alcohol has been classified by the International Agency for Research on Cancer (IARC) as a causal factor for several cancers, including UADT, liver, colorectal, al and breast. Aggregate analyses such as this one provide insight into how changes in population exposure to alcohol may influence cancer outcomes at the societal level — informing prevention and policy discussions alongside individual-level risk counselling.
Paper: Jiang, H., Livingston, M., Room, R. et al. Alcohol consumption and mortality from four alcohol-related cancers in Australia 1950-2018: a time series analysis. Br J Cancer (2026). Access online here.
