While one glass of red wine can have health benefits any more can cause problems, it has emerged.
A study conducted at the University of Toronto showed that one alcoholic beverage can relax peoples' blood vessels and lower the risk of heart disease.
However, any more can increase the risk of developing high blood pressure, coronary heart disease and heart failure.
In an experiment which is outlined in the American Journal of Physiology, Heart and Circulatory Physiology, healthy participants were given a small glass of wine, shot of spirits or a glass of water at random.
After two drinks it was noted that participants' heart rate had increased and their arteries were struggling to cope with the increased blood flow.
Meanwhile, in related news, a drug which relieves muscle fatigue after strenuous exercise could have benefits for heart failure patients.
A team from Columbia University has claimed that the medication could plug the calcium leaks which are responsible for severe exhaustion in heart failure patients.
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