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A meta-analysis of 34 studies found a reduced risk of mortality from coronary heart disease in men who drank 2 - 4 drinks per day and women who drank 1 - 2 drinks per day.  Alcohol has been found to have anticoagulant properties.   Thrombosis is lower among moderate drinkers than abstainers.  A meta-analysis of randomized trials found that alcohol consumption in moderation decreases serum levels of fibrinogen, a protein that promotes clot formation, while it increases levels of tissue type plasminogen activator, an enzyme that helps dissolve clots.  These changes were estimated to reduce coronary heart disease risk by about 24%. Another meta-analysis in 2011 found favorable changes in HDL cholesterol, adiponectin, and fibrinogen associated with moderate alcohol consumption.