A living will is one form of advance directive, leaving instructions for treatment. Another form is a specific type of power of attorney or health care proxy, in which the person authorizes someone (an agent) to make decisions on their behalf when they are incapacitated.
Antioxidant vitamins A, C and E may improve blood flow by preventing oxidation of cholesterol, one of the main causative factors in arterial plaque formation, according to a study published in the January 2012 issue of the journal Advances in Clinical and Experimental Medicine..
Vitamin C can help maintain the elasticity of arteries and veins. The vascular system consists of arteries, veins and other blood vessels that deliver oxygen and nutrient-rich blood to every cell in your body. The arteries and veins can become damaged over time, hindering blood flow and increasing the risk of chronic disease.