"An enormous study conducted by the World Health Organization on thousands of men and women from sixteen nations illustrated that a low level of vitamin E in the blood was more than twice as predictive of heart attack than either high cholesterol or high blood pressure." Stephen Cherniske (Metabolic Plan).
Inverse correlation between plasma vitamin E and mortality from ischemic heart disease in cross-cultural epidemiology.
http://www.ncbi.nlm.nih.gov/pubmed/1985406