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Updated: Nov 30, 2025

Modeling Alcohol Consumption in Rodents Using Two-Bottle Choice Home Cage Drinking and Microstructural Analysis
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[Low-risk alcohol drinking limits based on associated mortality.]

Luis Sordo1,2, Rodrigo Córdoba3, Antoni Gual4,5,6

  • 1Departamento de Salud Pública y Materno-Infantil. Facultad de Medicina. Universidad Complutense de Madrid. Madrid. España.

Revista Espanola De Salud Publica
|November 13, 2020
PubMed
Summary
This summary is machine-generated.

Low-risk alcohol consumption is defined as 20 g/day for men and 10 g/day for women. Exceeding these levels increases all-cause mortality risk, with no definitively safe alcohol intake identified.

Keywords:
AlcoholMortalitySpainSystematic review

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Area of Science:

  • Public Health
  • Epidemiology
  • Toxicology

Background:

  • Alcohol consumption is linked to increased all-cause mortality.
  • The specific consumption levels triggering this increase require clarification.
  • Establishing low-risk alcohol intake thresholds is crucial for public health guidance.

Purpose of the Study:

  • To determine alcohol consumption levels associated with increased overall mortality.
  • To identify thresholds for low-risk alcohol intake regarding mortality.

Main Methods:

  • Systematic review of cohort studies published since 2014.
  • Included studies focused on general population mortality and alcohol consumption.
  • Excluded studies from non-Spanish socio-cultural contexts and those with conflicts of interest.

Main Results:

  • The median alcohol consumption associated with increased mortality ranged from 23-25 g/day.
  • Sex-specific median increases were observed at 20 g/day for women and 24 g/day for men.
  • The minimum median consumption showing increased mortality was 17-21 g/day (12 g/day for women, 20 g/day for men).

Conclusions:

  • Applying the precautionary principle, low-risk consumption is set at 20 g/day for men and 10 g/day for women.
  • These conservative estimates are based on observed increases in mortality.
  • The study acknowledges that no level of alcohol consumption is considered completely safe.