There can be some positive effects that alcohol can have on the circulatory system. For example, drinking alcohol moderately can help keep the balance of fat in the blood. This can help lower the chance of developing blocked ateries or blood cells. Though with positive effects coming negative. It is clear that drinking more than two drinks per day may caise harm. Large amounts of alcohol can affect how the heart works and if the heart isn't pumping blood throughout the body effectively, other organs may suffer from the lack of oxygen and nutrients.