Cashew nut benefits: Cashew - a plant originating from Brazil, is a nut high in minerals. Contrary to the popular belief that it can make you gain fat, a considerable amount of cashews in your diet can provide you with many health benefits - 7 Amazing Health Cashew Nuts Benefits. 1.Heart Health. 2.Prevents Blood Disease. 3.Protects the Eye. 4.Good for the Skin. 5.Weight Loss. 6. Source of Dietary Fibres. 7.Healthy and Shiny Hair.