Scientists have discovered that Walnuts are the healthiest nuts to eat loaded as they are with superior antioxidants. If you are looking for munchies or great trail mix, walnuts provide some of the healthiest snacking around. Walnuts help slow down aging, prevent cancer, and keep your brain from failing you. Walnuts may also be the best and safest snack for pregnant women so they don't get undernourished or gorge on the wrong foods. Go nuts on walnuts.