The best scientific evidence we have suggests moderate consumption of alcohol protects the heart.
From the Harvard School of Public Health:
> More than 100 prospective studies show an inverse association between light to moderate drinking and risk of heart attack, ischemic (clot-caused) stroke, peripheral vascular disease, sudden cardiac death, and death from all cardiovascular causes. [20] The effect is fairly consistent, corresponding to a 25-40% reduction in risk.