Anthrocyanins, the pigment found in berries such as blueberries, plums, and cherries, are believed to relieve Arthritis and to boost brain power. Lycopene, found in tomatoes, helps to prevent prostate cancer. Alpha and beta carotenes that occur in orange vegetables and fruits such as carrots, sweet potatoes, pumpkin, squash, and cantaloupe ward off lung cancer. Zeaxanthin, which is found in egg yolks, spinach, and corn protects vision. Another pigment which has been found to preserve eyesight is lutein which occurs in green leafy vegetables such as kale, spinach, and collard greens.