No, drinking in moderation does not lengthen your life (even if some studies say so)
Briefly

There is no form of alcohol consumption that is risk-free. Even low levels of alcohol consumption carry some risks and can cause harm, it warns.
Observational studies showing that moderate alcohol consumption lengthens life are usually flawed: they are biased and of low quality, say its authors.
Read at english.elpais.com
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