Meet The Expert
Ruth MacDonald, PhD, RD
Food Science
Iowa State University
Chair and Professor of the Department of Food Science & Human Nutrition at Iowa State University.
Get More InfoArticles By Ruth
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09/29/2020
Sustainability:
A Conversation On Sustainable Food
The relationship between food waste and processed foods, as well as the connectedness of biotechnology with food affordability...
Sustainability
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01/17/2019
Food:
Can Your Diet Affect the Planet?
A new report takes a look at how eating patterns can impact the environment. The report was published in The Lancet in conjunction...
Food
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11/08/2018
Health:
Study Links Organic Food to Reduced Cancer Risk
News articles have reported there may be a way to reduce your risk of developing cancer. A study in France found that individuals...
Health
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05/08/2018
Food:
Nitrates in Processed Meats: What’s the Risk?
Nitrates are food additives that are often to cure meats. Some food companies have recently introduced meats that do not...
Food
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04/10/2018
Food:
Should I Be Worried About the Dirty Dozen?
On one hand, yes. Getting enough fruits and vegetables in our diet is one of the biggest concerns for Americans and Canadians....
Food
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01/23/2018
Health:
Can Certain Foods Cure a Cold?
Flu outbreaks have been severe this year, with the Centers for Disease Control reporting cases in every state and urging...
Health
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01/17/2018
Science:
Artificial Colors vs. Natural Dyes
Chemical food dyes can create bright, sometimes unnatural colors in food. Can they be safe to eat? Parents have raised concerns...
Science
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10/05/2017
Food:
Should I Rinse Cold Cuts?
Have you heard advice that you should rinse cold cuts before you eat them? One of our readers wanted to know whether she...
Food
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09/25/2017
Food:
Should You Be Scared of Food Ingredients You Can’t Pronounce?
Food labels contain some strange words – benzoate, lecithin and others. Sounds scary! Some people have decided not to eat...
Food
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06/01/2017
Food:
Food Facts: Seven Things You Might Not Know About Onions
Onions may be a simple vegetable used to flavor dishes, but there is much more to them than meets the eye. We peeled back...
Food
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08/05/2016
Food:
How Much Pesticides Are Used on Crops?
Growing up, we were told at least a thousand times to eat our fruits and vegetables. While we know they are good for us,...
Food
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07/31/2015
Food:
Organic versus Conventional Foods: Is There a Nutritional Difference?
Originally posted November 15, 2010.Organic foods have gained popularity due to the perception that organic...
Food