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 E is also important for varicose veins because it helps to improve overall circulation and promotes healthy blood flow. According to the Mother Nature website, vitamin E is needed to keep platelets from sticking together and adhering to the side of blood vessel walls.