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Food Sleuth Radio

Melinda Hemmelgarnwww.kopn.org
Dietitian Melinda Hemmelgarn helps listeners “think beyond their plates,” connect the dots between food, health and agriculture, and find food truth.
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Episodes

Daniel Rosen, MA, Co-founder of the Coalition for Carceral Nutrition and Public Health Fellow at the Bard Prison Initiative, discusses food and eating conditions in prison and jails, and the food industry that profits from the exploitation of those who ar

Did you know that the food served and sold in prisons and jails contributes to poor mental and physical health? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Daniel Rosen, MA, Co-founder of the Coalition for Carceral Nutrition and Public Health Fellow at the Bard Prison Initiative. Rosen will discuss food and eating conditions in prison and jails, and the food industry that profits from the exploitation of those who are incarcerated. Rosen des...

Aug 15, 202528 minEp. 840

Jennifer Smilowitz, Ph.D., Assistant Professor of Cooperative Extension in the Department of Nutrition, at the U. of CA, Davis, and Director of Scientific and Strategic Development for the International Milk Genomics Consortium, discusses the multiple ben

Did you know that breastfeeding may be the “biological norm,” but it is a learned skill for both mothers and babies. Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Jennifer Smilowitz, Ph.D., Assistant Professor of Cooperative Extension in the Department of Nutrition, at the U. of CA, Davis, and Director of Scientific and Strategic Development for the International Milk Genomics Consortium. Smilowitz will discuss the multiple benefits of breastf...

Aug 08, 202528 minEp. 839

Tim Schwab, investigative journalist and author of “The Bill Gates Problem: Reckoning with the Myth of the Good Billionaire,” questions the influence of the Gates Foundation’s philanthropy

Did you know that the Bill Gates Foundation has tremendous influence over global health, journalism, and agricultural policy? join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Tim Schwab, investigative journalist and author of The Bill Gates Problem: Reckoning with the Myth of the Good Billionaire. Schwab critically examines the influence and impacts of the Gates Foundation’s philanthropy, as well as how to build a movement against oligarchy. Schw...

Aug 01, 202528 minEp. 838

Nate Donley, Ph.D. Environmental Health Science Director at the Center for Biological Diversity discusses the dangerous presence of PFAS in pesticides.

Did you know that per- and polyfluoroalkyl substances (PFAS), also known as “forever chemicals,” are increasingly being added to U.S. pesticide products, contaminating waterways and posing threats to human health? join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Nathan Donley, Ph.D., Environmental Health Science Director at the Center for Biological Diversity. Donley discusses a recent paper: https://ehp.niehs.nih.gov/doi/10.1289/ehp13954 which d...

Jul 24, 202528 minEp. 837

Gail A. Eisnitz, Chief Investigator for the Humane Farming Association discusses her book: Out of Sight, An Undercover Investigator’s Fight for Animal Rights and Her Own Survival

Did you know that animal abuse takes place on factory farms and slaughterhouses? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Gail A. Eisnitz, Chief Investigator for the Humane Farming Association and author of Out of Sight, An Undercover Investigator’s Fight for Animal Rights and Her Own Survival (Skyhorse Publishing, May 2025). Eisnitz discusses her work and ways we can help improve livestock conditions, and the animal welfare approved labe...

Jul 18, 202528 minEp. 836

Will Potter, investigative journalist and author of Little Red Barns: Hiding the Truth from Farm to Fable, discusses the connections between factory farms and authoritarianism. (Part 2 of 2)

Did you know that powerful language and imagery are distractions from the reality of industrialized agriculture? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Will Potter, investigative journalist and author of Little Red Barns: Hiding the Truth from Farm to Fable . Potter discusses the connections between factory farms and authoritarianism, and explains how “bearing witness” is an act of both love and defiance. (Part 2 of 2). Related Websites...

Jul 11, 202528 minEp. 835

Will Potter, investigative journalist and author of Little Red Bars: Hiding the Truth from Farm to Fable, will discuss “ag-gag” and other legislation designed to hide abuses in industrial livestock operations. (Part 1 of 2)

Did you know that livestock abuse is widespread on factory farms? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Will Potter, investigative journalist and author of Little Red Bars: Hiding the Truth from Farm to Fable . Potter will discuss “ag-gag” and other legislation designed to hide widespread abuses in industrial livestock operations and protect corporate profits. Potter explores the connections between food, agriculture, climate, social j...

Jul 04, 202528 minEp. 834

Pamela Miller, MS, Founder and Executive Director of Alaska Community Action on Toxics

Did you know that people living in arctic regions have some of the highest body burdens of toxic chemicals? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Pamela Miller, MS, Founder and Executive Director of Alaska Community Action on Toxics and Co-Chair of the International Pollutants Elimination Network (IPEN) . Miller discusses the unique food system, climate and environmental toxin challenges faced by those living in Alaska and the broader ...

Jun 26, 202528 minEp. 833

Sandra Brooke, Ph.D., Florida State University’s Coastal and Marine Laboratory discusses oysters.

Did you know that oysters are not only popular items at seafood festivals, but vital to the health of our estuaries? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Sandra Brooke, Ph.D., research faculty at Florida State University’s Coastal and Marine Laboratory and scientific director and lead investigator of the Apalachicola Bay System Initiative . Brooke has worked on deep-water coral ecosystems in the Aleutian Islands of Alaska, Norwegian F...

Jun 20, 202528 minEp. 832

Basel Musharbash, antitrust and trade regulation lawyer discusses fertilizer and consolidation in the agricultural sector. (Part 2 of 2)

Did you know that consolidation in the fertilizer industry results in environmental harm and less choice for farmers? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Basel Musharbash, antitrust and trade regulation lawyer, and author of Kings Over the Necessaries of Life: Monopolization and the Elimination of Competition in America’s Agriculture System . Musharbash discusses how consolidation in food and agriculture affects farmers, consumers an...

Jun 13, 202528 minEp. 831

Basel Musharbash, antitrust and trade regulation lawyer, discusses the high price of eggs. (Part 1 of 2)

Did you know that consolidation in our food and agriculture systems has more to do with the price of eggs than bird flu? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Basel Musharbash, antitrust and trade regulation lawyer, and author of Kings Over the Necessaries of Life: Monopolization and the Elimination of Competition in America’s Agriculture System . Musharbash discusses the real reasons why egg prices escalated, and the larger impact of ...

Jun 05, 202528 minEp. 830

Peter Lurie, MD, MPH Executive Director of the Center for Science in the Public Interest discusses food dyes, the FDA and RFK.

Did you know that some food dyes can have a negative influence children’s behavior? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Peter Lurie, MD, MPH, President and Executive Director of the Center for Science in the Public Interest (CSPI), a non-profit food and health watchdog organization based in Washington, DC. Lurie discusses the workings of the FDA, RFK’s position on food dyes, the EU’s policy on food dyes, cuts to FDA and NIH grants, a...

May 29, 202528 minEp. 829

Kendra Klein, PhD., Friends of the Earth, discusses dangerous Roundup herbicide formulations.

Did you know that Roundup for residential /consumer use has been re-formulated to replace glyphosate with even more harmful chemicals? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Kendra Klein, PhD., Deputy Director of Science at Friends of the Earth. Klein describes new formulations, health risks of herbicides and misconceptions about “regenerative” and no-till agriculture. Related Websites: www.foe.org New Roundup, New Risks: Bayer’s Contro...

May 22, 202528 minEp. 828

Liz Graznak, organic farmer, discusses USDA local food funding cuts.

Did you know that USDA’s recent cuts to local food promotion grants will thwart farmers’ ability to provide fresh, nourishing, local food to schools and food pantries? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Liz Graznak, MO-based certified organic farmer. Graznak will discuss the impacts of recent USDA grant funding cuts on her farm’s labor and food production, plus broader impacts on climate, environment and public health. Related Websi...

May 15, 202528 minEp. 827

Ryan Betz, MS., National Farm to School Network discusses budget cuts.

Did you know that federal budget allocations for farm to school purchasing have been cut, harming farmers, rural economies and the diet quality of school children? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Ryan Betz, MS., policy specialist with the National Farm to School Network where he supports the Network's federal policy efforts, as well as managing "Who's at the Table?" School Meals Campaign advocating for Values-Aligned School Meals...

May 08, 202528 minEp. 826

Alan Kolok, Ph.D., discusses pesticides and pediatric cancers.

Did you know that “geohealth” refers to health and disease through a geographical lens? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Alan Kolok, PhD , Professor Emeritus, Environmental Toxicology, University of Idaho, Volunteer Faculty, College of Public Health, University of Nebraska Medical Center, author of Modern Poisons: A Brief Introduction to Contemporary Toxicology , and coauthor of “Exploring the Joint Association Between Agrichemica...

May 01, 202528 minEp. 825

Lea Rainey, founder of Roots Zero Waste Market part 2/2

Did you know that regional, community grocery stores can create stronger, more resilient communities? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her continued conversation with Lea Rainey, founder of Roots Zero Waste Market and Organic Café, located in Garden City, ID. Rainey introduces us to the term “food ethics,” and discusses food pricing, how she sources local/regional organic food, pays her employees fair wages, and chooses reusable containers over single-...

Apr 24, 202528 minEp. 824

Lea Rainey, founder of Roots Zero Waste Market part 1/2

Did you know that the grocery industry makes a significant contribution to both food waste and the global plastic crisis? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Lea Rainey, founder of Roots Zero Waste Market and Organic Cafe, located in Garden City, ID. Rainey discusses what makes her grocery store unique, including her efforts to reduce waste, offer local/regional organic food, and focus on alternatives to single-use plastic. Part 1 of...

Apr 17, 202528 minEp. 823

Fabiola Ortiz Valdez, Director of Organizing, Food Chain Workers Alliance.

Did you know that farmworkers face a growing number of hardships and threats both in their jobs and communities? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Fabiola Ortiz Valdez, Director of Organizing, Food Chain Workers Alliance. Valdez discusses farmworkers’ lives and the struggles they face as they toil to put food on our plates. Related Websites: Report: https://farmworkertribunal.org/#summary https://www.ncfh.org/uploads/3/8/6/8/386854...

Apr 11, 202528 minEp. 822

Nate Halverson, investigative journalist at The Center for Investigative Reporting, and producer of the documentary, The Grab.

Did you know that there are global brokers looking for land to “grab” as a way to capture water and food production? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Nate Halverson , Emmy Award-winning journalist at The Center for Investigative Reporting, and producer and lead reporter in The Grab , a feature-length documentary that uncovers the powerful interests vying to control global food and water supplies. Related Websites: The Grab: https:...

Apr 04, 202528 minEp. 821

Megan Wolff, PhD, MPH, expert on plastics discusses myths of recycling and bio-plastics, and policies to reduce single-use plastics. Part 2/2

Did you know that plastic recycling is a myth? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Megan Wolff, PhD, MPH, public health practitioner, subject matter expert on plastics and human health, visiting faculty at Bennington College, and Executive Director of the Physicians and Scientists Network for Advocacy on Plastics and Health (P-SNAP). Wolff discusses the myths of plastic recycling and “bio-plastics,” efforts of communities to ban sing...

Mar 28, 202528 minEp. 820

Megan Wolff, PhD, MPH, expert on plastics and human health discusses the growing threats from plastics. Part 1/2

Did you know plastics don’t break down, they break up ? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Megan Wolff, PhD, MPH , public health practitioner, subject matter expert on plastics and human health, visiting faculty at Bennington College, and Executive Director of the Physicians and Scientists Network for Advocacy on Plastics and Health (P-SNAP). Wolff discusses the growing health effects from the increasing amounts of plastics in our e...

Mar 21, 202528 minEp. 819

Carol Cardona, PhD, DVM, discusses avian influenza risks and prevention strategies.

Did you know that H5 influenza (also called bird flu) will continue to spread into new species and threaten human lives? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Carol Cardona, Ph.D., DVM, Professor and Endowed Chair in Avian Health in the Department of Veterinary and Biomedical Sciences at the University of MN – St. Paul. Dr. Cardona discusses avian influenza, (popularly called “bird flu”) or H5N1, the spread to new species, risk to huma...

Mar 14, 202528 minEp. 818

Timothy Wise, MS, Tufts University, discusses GMO corn safety, trade tariffs and food sovereignty.

Did you know that Mexico is trying to protect their health and food sovereignty rights to reject US GMO corn exports for use in their corn tortillas? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Timothy Wise, MS, Senior Research Fellow at the Global Development and Environment Institute at Tufts University, investigative journalist for U.S. Right to Know, and the author of Eating Tomorrow: Agribusiness, Family Farmers, and the Battle for the ...

Mar 07, 202528 minEp. 817

Mackenzie Feldman, founder of Re:wild Your Campus discusses pesticides, cover crops, and food system change.

Did you know that whatever your interest, you can use it to make positive change in your community? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Mackenzie Feldman, founder and co-director of Re:wild Your Campus, and co-author of Groundbakers: 60+ Plant-Based Comfort Food Recipes and 16 Leaders Changing the Food System . Feldman discusses her work to eliminate synthetic pesticides on campus grounds, her research on cover-crops, and her cookboo...

Feb 28, 202528 minEp. 816

Sonja Eayrs, discusses her book, Dodge County Inc.: Big Ag and the Undoing of Rural America.

Did you know that industrialized hog farming has harmed rural communities and public health? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Sonja Eayrs, attorney, farm advocate and author of Dodge County Inc.: Big Ag and the Undoing of Rural America. Eayrs describes the corporatization of hog farming and the resulting wake of destruction, including fouled air and water, declining rural communities, harassment against those who speak out, and me...

Feb 21, 202528 minEp. 815

David Wiss, PhD, RD, discusses food’s role in mental health, disordered eating, and addiction recovery.

Did you know that nutrition can be an unspoken tool of oppression for marginalized populations? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with David Wiss, PhD, RD, pioneer in the field of nutrition and mental health. Wiss discusses his food-positive approach in addiction recovery and disordered eating. He explains how the ‘all foods can fit’ approach can backfire, how and why nutrition is a social justice movement, and the challenges when tryin...

Feb 13, 202528 minEp. 814

Mike Kostyo, MA, discusses food and societal trends for 2025.

Did you know that over 30 percent of consumers say most of their meals are eaten alone? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn for her conversation with Mike Kostyo, MA, Vice President of Menu Matters, LLC, and “trendologist.” Kostyo will discuss food and societal trends for 2025, including flavor, travel, trade and GLP-1 drugs. Kostyo says one way to address our national epidemic of loneliness and disconnection is to share more meals with others, and he encoura...

Feb 07, 202528 minEp. 813

“Sioux Chef” Sean Sherman discusses colonization and his mission to revitalize Indigenous foodways.

Did you know that Chef Sean Sherman’s James Beard award-winning restaurant, Owamni, in Minneapolis, MN features decolonized foods? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn, for her conversation with Sean Sherman, a.k.a. the “Sioux Chef.” Chef Sherman discusses the meaning of colonization and describes his mission to develop and promote Indigenous foodways throughout North America. Related Websites: https://seansherman.com/ www.natifs.org https://www.youtube.com/wa...

Jan 31, 202528 minEp. 812

Kyla Bennett Kyla Bennett, PhD, JD, Director of Science Policy for Public Employees for Environmental Responsibility (PEER) discusses toxic PFAS chemicals.

Did you know that PFAS refers to a class of chemicals that are ubiquitous in our environment but pose significant health risks? Join Food Sleuth Radio host and Registered Dietitian, Melinda Hemmelgarn, for her conversation with Kyla Bennett, PhD, JD, Director of Science Policy for Public Employees for Environmental Responsibility (PEER). Bennet discusses the toxicity of PFAS, how and why they get into our water, soil, food and bodies, and ways to avoid and control exposure. Related Websites: Gre...

Jan 24, 202528 minEp. 811
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