A research has found that people who drink alcohol in moderation (about one drink a day or less) are 14-25 per cent less likely to develop heart disease compared to those who drink no alcohol at all.
The study was led by Professor William Ghali from the University of Calgary. The first paper, led by Paul Ronksley from the University of Calgary, emphasises that a balance needs to be found between the public health message that consuming large amounts of alcohol is bad for you, and the one that drinking in moderation can have health benefits.
An accompanying paper led by Dr Susan Brien, also from the University of Calgary, finds that moderate consumption of alcohol (up to one drink or 15 g alcohol per day for women and up to two drinks or 30 g alcohol per day for men) is good for health. They say moderate amounts of alcohol significantly increase the levels of ''good'' cholesterol circulating in the body and this has a protective effect against heart disease.
Brien and colleagues argue that their study strengthens the case that there is a causal link between alcohol consumption and reduced heart disease. The authors of both papers acknowledge that a number of previous studies have concluded that moderate alcohol consumption has been associated with a decrease in heart disease. However, they say that the research was out-of-date and there was a need for new material.
Ghali says his team''s research is the most comprehensive to date. The researchers reviewed 84 studies of alcohol consumption and heart disease. They compared alcohol drinkers with non-drinkers and their outcomes in relation to heart disease, death from heart disease, incidences of stroke and death from having a stroke.
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