One of the most basic pillars of health is good nutrition. A range of eating patterns might all be considered balanced diets, but in general people do better when they eat less processed foods and more whole foods. Vegetables and fruits play a starring role in at least two diets that have been studied extensively, the DASH diet and the Mediterranean diet. Americans might be healthier if we followed these eating plans, but fresh veggies can be pricey. If your doctor were prescribing produce, would your insurance plan cover it? Might this make healthful eating more of a practical possibility?

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Food Is Medicine:

Increasingly, healthcare providers are recognizing the critical role of diet in the development of chronic disease. An entire movement is organizing around the concept of Food Is Medicine, both for prevention and for treatment of conditions like diabetes, obesity and heart failure. Scientists have shown that diet makes a difference. Studies have confirmed what many of our grandparents or great-grandparents intuited. On the other hand, translating that knowledge into action that benefits patients has been difficult. One important barrier is the cost of fresh fruits and vegetables.

Doctors Prescribing Produce:

People could get healthful food in a variety of ways. Past generations often had gardens and grew much of their own produce. That’s not always practical in urban settings or for families with multiple jobs struggling to make ends meet.

Our guests today have tested two ways to get fresh food into people’s hands. One is a debit card that can be used to buy any WIC-approved food at more than 66,000 retail outlets across the country. WIC is the USDA supplemental nutrition program for Women, Infants and Children. WIC-approved foods include fresh fruits and vegetables with no added sugar or salt. In this model, the healthcare provider arranges for certain patients to get access to this debit card, providing $40 worth of purchasing power for healthy foods each month. They are essentially prescribing produce. The idea is to use a business model that supports good food and saves the health system money. This is termed a healthy food subsidy.

The other approach is a food box. This includes vegetables and fruits, and possibly other foods, that providers decide the patients should get. In some initiatives, the person or agency deciding what goes in the food box might also take into account what is available from local farmers. The box may be distributed weekly, every two weeks or every month, but the individual who is going to be eating the food does not choose what is in it.

How Does a Healthy Food Subsidy Compare to Food Boxes When Providers Are Prescribing Produce?

When people don’t know if they will be able to pay for the groceries they need, they are said to be “food insecure.” This complicates a range of chronic conditions, making diabetes more challenging, for example. People with food insecurity have a harder time keeping their blood pressure under control. Our guests collaborated with other colleagues on a recent comparing the food box approach to the healthy food subsidy among North Carolina resident with high blood pressure and food insecurity (JAMA Internal Medicine, Dec. 1, 2025).

The study enrolled 458 individuals. Everyone in the study had a provider prescribing produce. Half the volunteers got the food subsidy debit card and half were provided with food boxes. Those getting the food subsidy had moderately lower blood pressure after six months compared to those getting food boxes. Their blood pressure was also lower after a year and a half. Food insecurity decreased in both groups over time.

Tackling Food Insecurity:

One of the outcomes of food insecurity is that people are more likely to need emergency department services. This costs the insurance company dearly. If improving food security and diet quality could reduce ED visits, insurers might become quite interested in the food subsidy approach. This is currently being tested for participants with heart failure.

Special Populations Who Might Need Providers Prescribing Produce:

During this conversation, we expressed concern about vulnerable populations that might suffer especially from cuts in government spending. We asked about school lunches and we learned about pilot programs focusing on expectant mothers. Children in foster care are especially vulnerable; a food subsidy program taking a Food Is Medicine approach could be helpful for them.

This Week’s Guests:

Seth A. Berkowitz, MD, MPH, is Associate Professor of Medicine at the University of North Carolina School of Medicine. He is also Section Chief for Research, General Medicine and Clinical Epidemiology.

Dr. Berkowitz is a general internist and primary care doctor, studying how food and nutrition interventions can improve health. Dr. Berkowitz is the deputy scientific director of the American Heart Association’s Food is Medicine initiative, Health Care by Food initiative. He is also the author of the recent book, ‘Equal Care: Health Equity, Social Democracy, and the Egalitarian State.’

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Dr. Seth Berkowitz of UNC promotes Food Is Medicine

Peter Skillern has pursued a career dedicated to creatively and effectively addressing poverty and inequality in North Carolina and the nation. He serves as the CEO of Durham-based Reinvestment Partners, an innovative nonprofit that works with people, places and policy to foster healthy and just communities. Reinvestment Partners advocates for financial and health reforms to improve people’s lives. The agency has won numerous accolades and is considered a state and national leader in its field.

In recognition of his leadership, he was selected as a William Friday Fellow for Human Relations and as an Eisenhower Fellow for International Relations. He holds North Carolina General Contractor and Real Estate Broker licenses. He received his B.A. from the University of California Santa Cruz with Highest Honors. A 1991 graduate of the Department of City and Regional Planning at UNC Chapel Hill, he was recognized as a Distinguished Alumni by the UNC
faculty in 2020.