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Long-term wine consumption is related to cardiovascular mortality and life expectancy independently of moderate alcohol intake: the Zutphen Study
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  • Published on:
    One important confounder missing?

    One reason for a higher mortality in abstainers from alcohol could be that they are former heavy drinkers. Streppel et al do not seem to have adjusted for this factor.

    Conflict of Interest:
    None declared.
  • Published on:
    Half a glass of wine/day : 5 years longer life?

    Dear Editor,

    The authors state that "Light wine consumption was associated with five years longer life expectancy". Light is defined as drinking 1-20 grams of wine alcohol/day "(on average 6g/day)".

    Alcohol content of wine is measured by volume, not by weight: Since ethyl alcohol specific gravity is .785 g/mL, and the average alcohol content of wine is 11%, 1-20 grams is the equivalent of 14mL - 280mL...

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    Conflict of Interest:
    None declared.