Podcast: Pesticides negate the benefits of fruits and vegetables? Drought-resistant wheat coming soon? Do DNA diets work?

Do pesticide residues on food counteract the benefits of fruit and vegetable consumption? The FDA recently approved a genetically modified wheat variety that can withstand drought conditions. When will farmers be allowed to grow this improved crop? Finally, can DNA-based diets better help you achieve your fitness goals?

Join geneticist Kevin Folta and GLP contributor Cameron English on episode 177 of Science Facts and Fallacies as they break down this latest news:

A recent study suggested that exposure to pesticides through food may offset the benefits of eating fruits and vegetables. The paper received a lot of media attention, although no one discussed the study’s significant limitations. Does pesticide residue really negate the benefits of consuming produce, or is it more hype than science?

Drought-tolerant wheat containing a sunflower gene can help farmers preserve crop yields in a changing climate. The new trait was recently approved by the US Food and Drug Administration; however, regulatory delays and trade restrictions in other countries may slow the spread of this improved crop. When will farmers around the world start benefiting from this drought tolerance technology?

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Our genetics influence our health and behavior in a variety of ways. Is it possible that our genes impact the nutritional choices we make? Can Understanding Your DNA Help You Eat Healthier? No, or at least not yet. Our knowledge of the human genome is not good enough to provide this kind of personalized dietary advice.

Kevin M. Folta is a teacher, keynote speaker, and podcast host. Follow Professor Folla on Twitter @kevinfolta

Cameron J. English is Director of Biosciences at American Council on Science and Health. Visit his website and follow ACSH on Twitter @ACSHorg

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Richard V. Johnson