Food Sleuth Radio

Did you know that Emily Dickinson wrote 4 tributes to the dandelion? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with John Cardina, PhD, Professor Emeritus in the Dept. of Horticulture and Crop Science at the Ohio State University, former USDA research agronomist and author of Lives of Weeds: Opportunism, Resistance, Folly. Cardina discusses man’s largely futile fight against “weeds” on farms, lawns and gardens, the value of biodiversity and small holder farms, and why we should rethink our attempts to eradicate “invasives.” Related Websites: https://www.cornellpress.cornell.edu/book/9781501758980/lives-of-weeds/

Did you know that the “Green Revolution” is a cultural narrative that is rarely questioned? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Glenn Davis Stone, PhD, anthropologist, environmental scientist, and author of The Agricultural Dilemma: How Not to Feed the World. Stone discusses the legend and unintended consequences of the Green Revolution and explains that the Green Revolution didn’t speed up food production, but it did fuel the growth of fertilizers and pesticides. Stone advocates for the benefits of non-industrial, small-holder agriculture and helps us rethink the rhetoric and propaganda behind industrialized agriculture. https://www.sup.org/books/anthropology/smallholders-householdersRelated Websites: https://www.wlu.edu/profile/stone-glenn

Daniel Costa, an attorney and Director of Immigration Law and Policy Research at the Economic Policy Institute, sheds light on the vital role of immigrant labor in our food system. He shares how immigrants contribute significantly to U.S. workforce growth and the agriculture sector. Costa discusses the exploitative conditions faced by these workers, the lack of penalties for employers hiring undocumented labor, and the need for comprehensive immigration reform. He emphasizes debunking myths about immigrant workers and advocates for stronger protections and pathways to citizenship.

Did you know that soil health is integral to life on earth? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Leo Horrigan, MS, Food System Correspondent for the Johns Hopkins Center for a Livable Future, and author of What if Soil Microbes Mattered? Our Health Depends on Them. Horrigan explains how and why successful farming starts below ground. He describes the symbiotic relationship between soil microbes and plants to support human and planetary health. He also explains how common practices used in conventional/chemical agriculture (synthetic pesticides, fertilizers and tillage) harm soil microbes.  On a positive note, regenerative/organic agriculture offers great potential for a brighter farming future.Related Websites:  https://clf.jhsph.edu/sites/default/files/2025-08/what-if-soil-microbes-mattered-1.pdf/

Mariana Chilton, PhD, MPH, is a Professor of Public Health and an advocate for food security. In this engaging discussion, she reveals that hunger stems from greed, not food shortage, and highlights how low wages keep many reliant on support systems. Chilton emphasizes the need for solidarity over charity to tackle hunger effectively. She also discusses the urgency of measuring food insecurity and reveals its profound impact on children's health and futures. Ultimately, she calls for compassion and structural policy solutions to combat food injustice.

Did you know organic agriculture has a legal definition, but “regenerative” agriculture does not?  Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Charlotte Vallaeys, MS, independent consultant, advocate, and champion of organic agriculture. Board member of Organic Voices and the Organic Farming Research Foundation, Vallaeys discusses the definition of organic, its multiple benefits to health, environment and climate, and consumer confusion over the term “regenerative agriculture.” Related Websites: Real organic podcast: https://realorganicproject.org/charlotte-vallaeys-outcome-based-agriculture-pitfalls-episode-one-hundred-eight/

Did you know that the sugar responsible for alpha-gal allergy is widespread in processed food products, drugs and dietary supplements? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Heather Norman-Burgdolf, PhD, Associate Extension Professor in the Department of Dietetics and Human Nutrition at the University of Kentucky, and author of “Food Allergens: Alpha Gal.” Norman-Burgdolf discusses ways to navigate the alpha-gal allergy, which ranks as the tenth most prevalent food allergy in the United States.Related Websites: https://publications.ca.uky.edu/sites/publications.ca.uky.edu/files/FCS3646.pdf

Did you know that a tick bite could lead to a food allergy?  Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Sharon Forsyth, conservationist and patient advocate for the alpha-gal syndrome community. Forsyth created Alpha-gal Information.org, a comprehensive informational resource on AGS. She discusses how to avoid tick bites and the challenges of living with alpha-gal food allergy (also known as mammalian meat allergy).Related Websites: https://alphagalaction.org/

Stephan van Vliet, PhD, is an expert in nutritional science at Utah State University, focusing on the link between farming practices and food quality. In this discussion, he reveals how agricultural methods directly impact nutrient density and human health. He explores the benefits of regenerative agriculture, emphasizing soil health and biodiversity. The conversation touches on how ultra-processed foods lack essential phytonutrients. Stephan also advocates for dietary guidelines that reflect the importance of how food is grown.

Did you know that being hungry can affect our mood and behaviors? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Katherine Pryor, award-winning children’s book author, and good food advocate, whose latest title: The Attack of the Hangries, helps parents, teachers and children understand what happens when our fuel supplies run low, and how to stay well nourished. Beyond education and entertainment, this book can be used to help support food assistance programs (which serve one out of every 5 children in the United States), universal school meals, and school food policies.Related Websites: www.katherinepryor.com