Sweet potatoes are one of the oldest vegetables known to man and of the most beneficial one as well. So for today’s power foods food blogging group, I made one of the comforting dishes known to human kind. Soup. Sweet potatoes are full of antioxidants, anti-inflammatory nutrients, and blood sugar-regulating nutrients. “Recent research has shown that particularly when passing through our digestive tract, sweet potato cyanidins and peonidins and other color-related phytonutrients may be able to lower the potential health risk posed by heavy metals and oxygen radicals” Source WHF . For this weeks power foods blog group, its the …