What's the Difference between grass-fed and corn-fed beef?
Dr. Ruth MacDonald objects to The Omnivore's Dilemma.
Connie Diekman, R.D., discusses tips for healthy eating.
Readers answer a poll on food prices.
Connie Diekman, R.D., answers the question, "Is there a difference between consuming naturally occurring nutrients from food and food fortified with the same amount of nutrients?”
Expert feedback regarding inquiry from mom wondering about how hormones in food may be affecting her children.
Dr. MacDonald discusses whether it is safe to eat produce that have been treated with fertilizers and/or herbicides.
An answer to an inquiry regarding the shelf-life of tahini.
Consumer poll results on "Meatless Mondays" and commentary from Dr. Ruth MacDonald.
Dr. Ruth MacDonald, chair of the Department of Food Science and Human Nutrition at Iowa State University, explains food additives.