Дмитрий ЛаричевGetty Images You might not think about it as much as you do eating healthy, exercising, and getting enough sleep, but maintaining good circulation is one of the most important building blocks to keeping your health on the rails. “The circulatory system of the body delivers vital oxygen and nutrients to all of our muscles and organs,” says Vincent Varghese, D.O., a cardiac interventionist at Deborah Heart and Lung Center in New Jersey. “When plaque or arterial blockages develop, normal blood flow is hindered and can lead to devastating effects, such as heart attack, stroke, or even leg amputation [in severe cases].”