Vitamin E: Alpha-tocopherol, an antioxidant vitamin which binds oxygen free radicals that can cause tissue damage. Deficiency of vitamin E can lead to anemia. Vitamin E may play a possible role in preventing heart disease and cancer of the lung.In the CHAOS (Cambridge Heart Antioxidant Study) trial, patients with known coronary artery disease were given natural vitamin E or a placebo. The dose of vitamin E used (400-800IU) in this trial was 13 to 26 times greater than the RDA, and much higher than the ATBC cancer prevention trial. The vitamin E treated group experienced fewer heart attacks than the placebo group after one year of treatment.Vitamin E and the heart: In the Nurses' Health Study involving 80,000 women, subjects who took more vitamin...