Renaissance of food as medicine” in modern clinical trials
Discover the renaissance of “food as medicine” in modern clinical trials. Learn how nutritional interventions can prevent and treat disease. #Medicine #Nutritional Research #Health

Renaissance of food as medicine” in modern clinical trials
In a recent news article published in the magazineNatural medicinewrites author Priya Venkatesan about how dietary interventions can effectively treat or delay some diseases.
In a world where chronic non-communicable diseases increasingly dominate public health concerns, the concept of “food as medicine” is experiencing a renaissance. New scientific research now suggests that targeted nutritional interventions not only offer potential therapeutic benefits, but may also play a critical role in disease prevention. This paper examines how contemporary clinical trials reinforce ancient wisdom about nutrition and health, and considers implications for future medical practices and public health policy.
For centuries, the idea that dietary habits impact health has been both intuitively understood and anecdotally observed. However, it is only in the last few decades that this concept has been thoroughly tested in clinical settings. Traditional diets characterized by high consumption of fruits, vegetables, whole grains, and lean proteins have long been associated with a lower risk of chronic disease. Conversely, the modern diet, which often includes high intakes of processed foods, sugar and saturated fats, is known to significantly increase the risk of conditions such as obesity, coronary heart disease, type 2 diabetes, cancer, osteoporosis and cognitive disorders.
The trend towards validating the medicinal properties of foods has gained momentum through various significant studies. According to Jordi Salas-Salvadó, professor of nutrition and bromatology at the University of Rovira i Virgili in Reus, Spain, ensuring equal access to nutritious foods is one of the cornerstones of the effective management of chronic diseases. He explains: “Equal access to healthy foods is an aspect of disease management that I believe is necessary.”
The PREDIMED study, a pivotal study in the field, showed how a Mediterranean diet supplemented with extra virgin olive oil or nuts significantly reduced the risk of major cardiovascular events. This study not only confirmed the cardiovascular benefits of such diets, but also suggested possible mechanisms such as reducing inflammatory markers and improving lipid profiles.
In the area of diabetes management, the DiRECT study conducted in the United Kingdom (UK) provided convincing evidence that a low-calorie, complete dietary change in type 2 diabetes patients can result in significant remission. This study challenged the traditional view that type 2 diabetes is an irreversible, lifelong disease and instead suggested that significant weight loss can lead to long-term remission. Naveed Sattar, a lead researcher on the study, emphasized: "Type 2 diabetes has the most evidence to suggest that it is modified by dietary interventions, as weight loss can quickly improve glucose levels."
These studies highlight a broader potential shift in healthcare practice—from a primarily pharmaceutical approach to one that also includes significant dietary intervention as a standard part of medical treatment. Dariush Mozaffarian, director of the Food is Medicine Institute at Tufts University, emphasizes the underutilization of nutrition in the medical field: "There are numerous diseases for which generally accepted clinical guidelines should prescribe dietary modification as initial treatment." Useful dietary interventions are very rare in practice.”
Despite the promising results, integrating nutrition-based interventions into medical practice faces numerous obstacles. A major challenge remains to standardize nutritional interventions that can be tailored to individual needs while being broadly applicable across diverse populations. In addition, further research is needed to establish stronger causal links between certain dietary habits and their effects on various diseases.
The concept of “food as medicine” also raises important social and economic questions. Ensuring that all populations have access to necessary nutritional options requires addressing systemic issues such as food security, economic inequality and educational disparities. The cost-effectiveness of dietary interventions compared to more expensive pharmaceutical treatments suggests that there could be significant public health benefits and reductions in healthcare costs if such strategies were implemented on a large scale.
As evidence accumulates, interest in integrating nutritional strategies into standard medical practice and public health policy grows. Future directions will likely include more personalized nutritional recommendations based on genetic profiles, lifestyle factors and specific health conditions. Additionally, the increasing use of technology and data science offers new opportunities to track and optimize the impact of nutrition on health, potentially leading to more dynamic and responsive healthcare solutions.
The study of food as medicine expands our understanding of how diet influences health and disease. With each clinical trial and new evidence, the medical community is moving closer to a paradigm in which nutrition is not just a footnote in medical treatment, but a central part of the prevention and treatment of disease. As research continues to produce new insights, it is becoming increasingly clear that the path to a healthier future is inextricably linked to the food we eat.
Sources:
- Venkatesan, P. Food is medicine: clinical trials show the health benefits of dietary interventions. Nat Med(2024). DOI: 10.1038/s41591-024-02891-1, https://www.nature.com/articles/s41591-024-02891-1