Walnuts are single-seeded and resemble brains. Opening the outer and hard shell of the walnuts can be a little difficult. However, once it is open, you can add them to salads, shakes, and baked food items. Walnuts can be eaten by people of all ages, and if you have kids, you must offer them this wonderful dry fruit. Walnuts help in managing diabetes and the risks related to the condition. Walnuts also lessen the risks related to cancer and heart ailments. The nutrients it has are fiber, sugar, fat, protein, and carbs.