Also known as: dry days, alcohol-free days, reduced alcohol intake
Latest evidence update: 2026-04-29
Strongest in Recency (100). Held back by Consistency (48).
Solid mix of RCTs with some methodological gaps.
Good cross-study replication, some imprecision.
Tens of thousands of participants pooled across studies.
Mixed direction across studies.
Most studies are recent (last 2-3 years).
No per-outcome numbers yet for this one. Each finding's direction and strength is shown in the research below.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
Designating 3-4 nights per week with zero alcohol. Explicit dry days outperform vague 'drink less' goals and give the liver, sleep architecture, and cardiovascular system time to recover.
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Just-in-time adaptive interventions (JITAIs) for dietary health management showed more consistent benefits for proximal behavioral outcomes including fruit and vegetable intake, sodium-restriction behaviors, drinking automaticity, self-monitoring, and eating-related behaviors.
Alcohol consumption was positively associated with vision-threatening diabetic retinopathy (VTDR).
PFL was associated with improvements in well-being for birthing parents including reduced likelihood of being overweight and lower alcohol consumption.
Alcohol abstinence or reduction decreases AF symptoms, burden, and progression.
ACT-BA reduced drinks per drinking day compared to TAU.