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..
Niacin or Vitamin B-3 is another important vitamin which helps to keep the veins healthy and strong as they help to balance blood cholesterol levels In our body, the vascular system consists of the veins, arteries and other blood vessels which help to deliver oxygen and nutrient rich blood to every cell in our body.