This isn't the first study to reveal the nutritional potency of potatoes. A study published earlier this year in the Journal of Nutrition revealed that people eating red, purple, and other pigmented potatoes had lower levels of oxidative stress and inflammation, two conditions that are linked to chronic disease.
Although potatoes often get a bad rap for being calorie laden and high in carbohydrates, you may not want to nix them from your diet. To learn more about how potatoes can lower your blood pressure, see our potato slide show, Colorful Spuds Are Full of Disease-Smashing Antioxidants, Study Shows.
And considering that a long weekend full of backyard barbecues looms ahead, toss some purple potatoes (which are specialty crops you'll most likely find at farmer's markets) into these 5 Rib-Sticking Recipes with Nutrient-Packed Potatoes.