For years, moderate drinking was touted as a harmless — and maybe even healthy — habit. But recently, scientific opinion has begun to shift toward a more cautious stance on alcohol. Last year, a large meta-analysis of prior alcohol studies concluded that there is no safe amount of drinking, because the net risks to a population — addiction, cancer, traffic accidents and so on — outweigh any potential benefits, such as improved cardiovascular and cognitive health. And while each person’s risk-benefit analysis depends on his or her family and medical history, research is increasingly supporting the idea that people should limit their alcohol consumption to avoid health problems and increase longevity.
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