The real significance of the Britton et al. [1] paper is overlooked by the authors themselves. Alcohol intake varies in the same individuals over time, declining with increasing age in many countries [2–7]. This decline has been shown to occur among those individuals most vulnerable to morbidity and mortality [8–10]. People most likely to be stable in their drinking—the light or moderate drinkers—tend to have the most favourable health characteristics [11,12]. Britton et al. acknowledge these findings by stating that it is well established that the nondrinking group often includes former drinkers who terminated consumption due to ill health. . . . . .
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