Even One Drink A Day May Be Too Much, Study Finds
Alice G. Walton
Forbes
April 13th, 2018
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Alice G. Walton
Forbes
April 13th, 2018
In an attempt to clarify the confusing information about what levels of alcohol are safe vs. risky, a new study in The Lancet reports that the "safe" upper limit for alcohol consumption may be less than we thought, at least here in the U.S. The study largely confirms what other research in the last few years has suggested: that low levels of alcohol consumption seem to be best, whereas "moderate" drinking may actually be too much.
To look at the issue, the University of Cambridge-led team looked at 83 earlier studies on the drinking habits of some 600,000 people from 19 countries around the world. They correlated alcohol consumption with health outcomes over the next seven to eight years, adjusting for other variables like smoking status, diabetes, and age.
Overall, the team found that the safe limit of drinking was about 100g of alcohol, or the equivalent of five drinks, per week. Having more than this started to raise the risk of disease: for instance, those who drank more than 100g/week raised their risk of stroke by 14%, fatal hypertensive disease (high blood pressure) by 24%, heart failure by 9%, and fatal aortic aneurysm (burst blood vessel) by 15%. Having 10 or more drinks per week was linked to one to two years reduced life expectancy, while having 18 drinks or more per week was linked with four to five years shorter life.
Moderate alcohol consumption was linked to reduction in non-fatal heart attack risk, but the authors say this apparent benefit didn't offset the risks that drinking poses.
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