Is low-level alcohol consumption really health-protective? A critical review of approaches to promote causal inference and recent applications

Visontay R, Mewton L, Sunderland M, Chapman C, Slade T (2024) Alcohol, Clinical and Experimental Research 2024 Apr 21 doi: 10.1111/acer.15299

Web URL: Read this article on PubMed

Abstract:

Heavy and disordered alcohol consumption is a known risk factor for several health conditions and is associated with considerable disease burden. However, at low-to-moderate levels, evidence suggests that drinking is associated with reduced risk for certain health outcomes. Whether these findings represent genuine protective effects or mere methodological artifacts remains unclear, but has substantial consequences for policy and practice. This critical review introduces methodological advances capable of enhancing causal inference from observational research, focusing on the 'G-methods' and Mendelian Randomization. We also present and evaluate recent research applying these methods and compare findings to the existing evidence base. Future directions are proposed for improving our causal understanding of the relationships between alcohol and long-term health outcomes.

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Is low-level alcohol consumption really health-protective? A critical review of approaches to promote causal inference and recent applications

Abstract:

FAB RESEARCH COMMENT:

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