Moderate exercise lowers the risk of blockage of the arteries due to blood clots, since anything that lowers blood cholesterol levels also lowers the risk of hardening of the arteries, which in turn lowers the risk of arterial blockage due to blood clots
Lowering blood cholesterol levels lowers the risk of blockage of the arteries.
 and, if the data reported in a recent study are correct, moderate exercise lowers blood cholesterol levels