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..
B Vitamins. Vitamin B often contributes to the health of red blood cells and oxygen transport. For example, vitamin B6 helps the production of oxygen-carrying proteins. Vitamin B12 is essential for red blood cell maintenance and neural health.uring exertion, wider artery walls enable faster transport of blood and faster intake of oxygen. A number of supplements that have been advertised as vasodilators include theobromine and vinburnine. Arginine produces nitric acid in the cell, which athletes use to increase blood flow, oxygen intake and performance.