Pro-Con: Should genetically modified food be labeled?

Almost all processed food sold in the U.S. contains ingredients from plants - such as corn, wheat or soybeans - that were genetically altered in a laboratory.

Since labeling genetically modified food was first required in the European Union in 1997, more than 15 countries, including Russia, have started requiring labels for genetically modified foods.

While food, health and safety regulators have long said engineered foods pose no risk, American consumers are now asking questions and pushing for the labeling and even elimination of genetically modified foods.

Supporters of labeling genetically modified foods argue that consumers have a right to know what's in their food and the right to choose whether to eat engineered food. However, opponents say the expense and logistics of labeling would be a difficult and an expensive undertaking.

PRO: Call for labeling about money, health, choice

CON: GMO beneficial to farmers; labeling hurts sale of crops