Walnuts supplemented into your diet can reduce the risks of heart related diseases. This is due to the heavy antioxidants contianed within the nuts. Walnuts also contain many nutrients such as manganese, copper and tryptophan. They are used heavily in Mediterranean diets in sauces and other forms.
http://www.nytimes.com/2009/09/28/health/nutrition/28recipehealth.html?_r=1&ref=nutrition
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