Potatoes are the starchy, tuberous crop from the perennial nightshade Solanum tuberosum. A Harvard study of 120,000 men and women found potatoes to be a particular culprit of weight gain and diabetes. Potatoes do contain important nutrients but replacing potatoes with whole grains and other vegetables is likely to reduce the risk of weight gain and diabetes.
Maize, also known as corn, is a large grain plant first domesticated by indigenous peoples in Mexico about 10,000 years ago. The six major types of corn are dent corn, flint corn, pod corn, popcorn, flour corn, and sweet corn.
Hydrogenated soybean oil is a vegetable oil derived from soybeans that has been through the process of hydrogenation. Fully hydrogenated oils are not as harmful as partially hydrogenated oils though higher in saturated fat.
Chicken eggs are widely used in many types of dishes, both sweet and savory, including many baked goods. Some of the most common preparation methods include scrambled, fried, hard-boiled, soft-boiled, omelettes and pickled.