By Alicia M Jerome MS, RD, LD
Food Is More Complex Than We Think
What if one of the biggest problems in nutrition isn’t that people don’t care about healthy eating, but that most of us were never taught how fascinating food actually is?
The field of culinary medicine sits at the intersection of nutrition science, cooking, culture, and health. And when you start digging into the research, food becomes far more interesting than simple lists of “good” and “bad” ingredients.
Take peaches, for example. Today’s peach is about 16 times larger than the wild peach first domesticated in China thousands of years ago1. Or consider this: only about 5% of Americans meet the recommended intake for fiber2, while fewer than 10% of adults meet vegetable intake recommendations3. At the same time, the American Heart Association recommends eight servings of fruits and vegetables per day4.
Those statistics alone raise an important question: if we know plant foods matter so much, why are they still so difficult for many people to eat consistently?
Beyond “Eat Your Vegetables”
Part of the answer may be that nutrition conversations often focus on restriction instead of curiosity. Culinary medicine flips that approach. It asks not only what we should eat, but why foods behave the way they do, how they affect the body, and how culture, flavor, preparation, access, and even agriculture shape our health.
That perspective opens the door to some surprisingly nuanced ideas.
For instance, berries are emphasized in the MIND diet because research links them with less cognitive decline5. Polyphenols found in plant foods may function as prebiotics, interacting with the gut microbiome in ways scientists are still working to fully understand2. Chopping cruciferous vegetables and waiting before cooking them can increase sulforaphane production, a bioactive compound tied to potential health benefits2. Even whole grains turn out to be more complex than many people realize: refined grains contain only a fraction of the magnesium found in intact whole grains, while certain grains like oats contain unique compounds associated with cardiovascular benefits2.
When Nutrition Gets Personal
Culinary medicine also explores the gap between nutrition headlines and real-world evidence. Juice is often marketed as a healthy choice, yet large studies have linked daily juice intake with increased risk of type 2 diabetes compared with eating whole fruit6. Some ultra-common foods can interact with medications, influence mineral absorption, or affect gastrointestinal symptoms differently depending on the individual2. Suddenly nutrition stops looking universal and starts looking deeply personal.
It also highlights how food choices are rarely just about nutrients alone. Taste, texture, cooking methods, traditions, affordability, convenience, and digestive tolerance all shape the way people eat2. A low-FODMAP food for one person may be completely different for another. Some foods support nutrient absorption, while others may interfere with it. The science becomes less about rigid rules and more about understanding patterns and context.
The Hidden Story Behind the Food System
And then there’s the environmental side of the conversation.
Many people are surprised to learn how dramatically food choices can influence water use and greenhouse gas emissions. A single glass of orange juice carries a far larger water footprint than eating an orange itself7. Vegetable production contributes relatively little greenhouse gas emissions compared with many animal-based foods8, while certain dietary shifts, such as incorporating more plant proteins, are increasingly being discussed not only for personal health but for sustainability as well.
Even the foods we consider “normal” today tell a much larger story about agriculture, technology, and modern eating habits. From genetically modified crops to heavily refined grains to changing dairy production practices, culinary medicine examines how the food environment itself has evolved and how that evolution may influence human health.
Why Culinary Medicine Matters
What makes culinary medicine compelling is that it doesn’t reduce food to isolated nutrients. It recognizes that food is biology, chemistry, psychology, agriculture, culture, and behavior all at once. It’s why one food can affect satiety differently than another, why preparation methods matter, and why two foods with similar calories may have very different impacts on health outcomes and eating behaviors.
It also reminds us that nutrition science is still evolving. Researchers continue to uncover how food structure, fiber, phytonutrients, fermentation, cooking methods, and dietary patterns influence the body. Even something as simple as soaking grains, freezing fruit, or pairing foods differently can subtly alter nutrition and bioavailability2.
The deeper you go into culinary medicine, the more obvious it becomes that healthy eating was never meant to be reduced to trendy diets or social media sound bites. Food is far more sophisticated than that. And perhaps that’s exactly why people are becoming increasingly interested in learning not just what to eat, but how food truly works.
The Culinary Medicine From Clinic to Kitchen self-study CPE course invites practitioners to explore the science, strategy, and real-world application of food through a far more nuanced lens than traditional nutrition education often provides. Spanning topics from phytonutrients and whole grains to sustainability, food preparation, digestion, and chronic disease prevention, this 20-CPE program highlights how deeply food choices intersect with human health. For professionals seeking a stronger understanding of the evidence connecting the kitchen to clinical outcomes, culinary medicine offers a perspective that is both highly practical and increasingly relevant in modern healthcare.
References:
1. Kennedy, J. (2014, July 9). Artificial vs Natural Peach [Academic Blog]. James Kennedy. https://jameskennedymonash.wordpress.com/category/infographics/artificial-vs-natural-foods/
2. Kennedy, D. (2024). Culinary medicine from clinic to kitchen: A hands-on guide to transforming nutrition guidelines into cooking skills – The essential foods. Culinary Rehab LLC.
3. Lee-Kwan, S. H. (2017). Disparities in State-Specific Adult Fruit and Vegetable Consumption – United States, 2015. MMWR. Morbidity and Mortality Weekly Report, 66. https:doi.org/10.15585/mmwr.mm6645a1
4. American Heart Association. (2017). Fruits and Vegetables Serving Sizes. American Heart Association. https://www.heart.org/en/healthy-living/healthy-eating/add-color/fruits-and-vegetables-serving-sizes
5. Shistar, E., Rogers, G.T., Blumberg, J.B., Au, R., & Jacques, P.F. (2020). Long-term dietary flavonoid intake and risk of Alzheimer disease and related dementias in the Framingham Offspring Cohort. The American Journal of Clinical Nutrition. https://doi.org/10.1093/ajcn/nqaa079
6. Muraki, I., Imamura, F., Manson, J.E., Hu, F.B., Willet, W.C., van Dam, R.M., & Sun, Q. (2013). Fruit consumption and risk of type 2 diabetes: Results from three prospective longitudinal cohort studies. BMJ (Clinical Research Ed.), 347, f5001. https://doi.org/10.1136/bmj.f5001.
7. Mekonnen, M., & Hoeskstra, A (2010). The green, blue, and grey water footprint of farm animals and animal products. American journal of Hematology – AMER J HEMATOL.
8. Poore, J., & Nemecek, T. (2018). Reducing food’s environmental impacts through producers and consumers. Science, 360(6392), 987–992. doi.org