Cashews are packed with antioxidants, vitamins and minerals. They can help your heart, blood, eyes and even promote weight loss. They are naturally cholesterol free and contain good amounts of protein, fiber and healthy fats that are good for your heart. They also contain iron and copper which helps the body form red blood cells that help keep blood vessels and your immune system working properly. Did you know that replacing some of the red meat in your diet with nuts can help fight heart disease, diabetes and cancer?