Walnuts used to replace a third of the olive oil and avocado fat in a Mediterranean diet for four weeks was shown to improve blood cholesterol, LDL levels and vascular function in men and women with high cholesterol. Blood levels of one form of vitamin E doubled. This study provides evidence that the antioxidants and the n-3 fatty acids in walnuts can improve the effect of the Mediterranean diet.
PositiveTip: Try adding a few walnuts to your salads or replacing a poor snack of junk food with a handful of walnuts to improve your heart health.