7. Grow a thick skin with sweet potatoes
You can now say yes to that side serving of sweet potato wedges, guilt-free.
With their deep orange color, these spuds too make an appearance on the list of best foods in which to find vitamin A. Since they also contain the mineral copper, which facilitates collagen production, Simpson recommends the starchy vegetable to ward off loose, thin skin.
Sweet potatoes are great baked to go with salads, your BBQ meats or roast along side your Sunday joint.