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Medical research has repeatedly found links between moderate alcohol consumption and a lower risk of cardiovascular disease, including heart attack, stroke and heart valve issues. But doctors have also long advised patients that are suffering from cardiovascular disease to refrain from drinking. Now recent research suggests that moderate consumption of alcohol, including wine, could prove beneficial in reducing the risk of heart attack, stroke and heart failure in those with cardiovascular disease (CVD).
In the study, researchers at University College London, University of Cambridge and University of Sydney collected data from multiple resources, including the UK Biobank Study, a biomedical database holding detailed health information from over half a million participants in the U.K. They published their findings in the journal BMC Medicine.
“Understanding how alcohol consumption is related to cardiovascular morbidity is of great importance to CVD patients,” the authors write. “This population is at high risk of recurring cardiovascular events, which can significantly compromise the patients’ quality of life.”
Researchers reviewed data of alcohol consumption levels in nearly 50,000 participants who had previously suffered from heart attack, stroke or angina (severe chest pain). They then looked at subsequent cases of cardiovascular events over the next 8 years. The results show that participants consuming up to 15 grams of alcohol a day (roughly one glass of wine), or a max of 105 grams a week, had the lowest chances of death and subsequent heart failure, attack or stroke. Among participants studied, those who consumed a moderate amount of alcohol were up to 50 percent less likely to experience a recurring cardiovascular event than those who did not drink at all.
The data did not distinguish between kinds of alcohol. And the authors note that they had limited data and long-term clinical trials to confirm their findings are needed. But they are hopeful that their research is a step in the right direction.
Their main takeaway, they write, is that patients do not have to stop drinking overall, but should be cautious of their intake. “Our findings suggest that people with cardiovascular disease may not need to stop drinking in order to prevent additional heart attacks, strokes or angina,” lead author Chengyi Ding said in a statement. “But that they may wish to consider lowering their weekly alcohol intake.”
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