Dr. Gebreyes answers the question: "Is food from organic and free-range farm animals safer than animals raised in modern confinement operations?"
Dr. Ruth MacDonald discusses whether it is safe to consume food from genetically modified crops
Dr. John Comerford, associate professor and extension beef specialist in the Department of Dairy and Animal Science at Penn State University, explains nutritional differences between beef from grain-fed and grass-fed cattle.
Dr. Ruth MacDonald, chair of the Department of Food Science and Human Nutrition at Iowa State University, explains food additives.
Discussion with Dr. Ruth MacDonald, Chair of the Department of Food Science and Human Nutrition at Iowa State University , regarding the nutritional difference between organic and non-organic foods.