The study separated out "never drinkers" from "former drinkers" to address this bias. https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-021-02040-2

The study separated out "never drinkers" from "former drinkers" to address this bias. https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-021-02040-2 https://bmcmedicine.biomedcentral.com/articles/10.1186/s1291...