A heart attack, or myocardial infarction (MI), occurs when a portion of the heart muscle becomes oxygen-starved due to clogged blood vessels. This can damage or kill the affected portion of muscle. Depending upon the amount of muscle involved, heart attacks range from mild to life-threatening. The best predictor of whether a heart attack sufferer will survive an acute MI is their ability to identify that a heart attack is taking place and get medical help.
A number of studies have asserted that moderate drinking has a positive benefit on cardiovascular health. Now, scientists at the University of Rochester Medical Center have discovered how alcohol consumption can help to prevent heart disease. The research, published in the journal Arteriosclerosis, Thrombosis and Vascular Biology, studied the effects of moderate amounts of alcohol in human coronary artery smooth muscle cells and in the carotid arteries of mice . In both cases, regular, limited amounts of alcohol inhibited a protein called Notch 1 and prevented the buildup of smooth muscle cells in blood vessels that leads to the narrowing of the arteries and can put you at risk for a heart attack or stroke.