Diet and Health Today

Unpacking the Health Risks of Processed Foods and Industrial Seed Oils with Dr. Chris Knobbe

Diet and Health Today

Show Notes

In this conversation, Dr. Chris Knobbe discusses his journey from being an ophthalmologist to a public health advocate focusing on the dangers of processed foods and industrial seed oils. He highlights the relationship between the rise in use of seed oils and the increase in chronic diseases such as obesity, diabetes, and heart disease. Dr. Knobbe emphasises the need for a shift in dietary guidelines to eliminate seed oils and promote ancestral diets, arguing that the current reliance on processed foods is detrimental to public health. Enjoy the video, transcript and show notes over at https://zoeharcombe.com

More from Diet and Health Today

Jul 23, 2026

In this episode, Dr. Clare Craig discusses the controversial topic of folic acid in food, its potential harms, and the broader issues of public health policy and medical ethics. Full show notes, transcript and background information available at https://zoeharcombe.com

Jun 11, 2026

Dr Jason Fung discusses the complex causes of obesity and hunger, emphasising hormonal influences over simplistic calorie models. He explores the history of dietary guidelines, the role of insulin, and the social and emotional factors affecting eating behaviours.

May 14, 2026

Zoë chats with Dr Ty Beal about his his journey from music to nutrition science. They discuss the development of holistic food rating systems, critique existing nutrient profiling models, and explore their potential applications in global nutrition policies. Video episode, show notes and transcript available over at https://www.zoeharcombe.com/

Mar 19, 2026

In this discussion, Dr Isabella Cooper shares her expertise on biochemistry, ketogenic science, and chronic diseases. She discusses the impact of insulin, ketosis, and mitochondrial health on aging, cancer, and autoimmune conditions, providing practical insights for health optimisation.

Jan 29, 2026

In this conversation, Zoë and Dr. Nina Teicholz discuss the recent changes in the U.S. dietary guidelines, highlighting the significant shifts in recommendations regarding dietary fats, proteins, and carbohydrates. They explore the formation of these guidelines, the revolutionary changes made, and the public reception of these updates. The discussion also touches on the contradictions within the guidelines, potential legal implications, and the future outlook for dietary recommendations in the U.S.

See all episodes →