According to Gram Research analysis, about 1 in 4 people with controlled inflammatory bowel disease show signs of ARFID—a condition where they severely limit their food intake even though their disease isn’t actively flaring. A 2026 cross-sectional study of 62 IBD patients found that anxiety and very low consumption of certain carbohydrates (FODMAPs) were strongly associated with this restrictive eating pattern, suggesting that psychological factors and dietary choices may drive unnecessary food avoidance in this population.
Researchers studied 62 adults with inflammatory bowel disease (IBD) who had no active inflammation but still experienced stomach problems similar to irritable bowel syndrome. They found that about 1 in 4 of these patients showed signs of ARFID—a condition where people severely limit the foods they eat due to fear, pickiness, or lack of appetite. The study discovered that anxiety and eating very few FODMAP foods (certain carbohydrates that can trigger gut symptoms) were connected to this food-avoidance pattern. Understanding this link could help doctors identify and support patients who are unnecessarily restricting their diets.
Key Statistics
A 2026 cross-sectional study of 62 IBD patients found that 26% screened positive for ARFID risk despite having no active inflammation, suggesting that food restriction persists even when disease is controlled.
Among the 62 patients with quiescent IBD studied in 2026, anxiety and low FODMAP consumption were significantly associated with positive ARFID screening, with 63% of ARFID-positive patients showing only one restrictive eating pattern.
In a 2026 study of 62 adults with controlled IBD, higher irritable bowel syndrome symptom severity was associated with increased ARFID risk, indicating that ongoing stomach symptoms drive food avoidance independent of active inflammation.
The Quick Take
- What they studied: How often people with controlled inflammatory bowel disease develop restrictive eating patterns (ARFID) even when their disease isn’t actively flaring up.
- Who participated: 62 adults (mostly women, average age 39) being treated at a Belgian hospital who had inflammatory bowel disease with no current inflammation but ongoing stomach symptoms.
- Key finding: 26% of patients screened positive for ARFID risk. Those with anxiety and very low intake of certain carbohydrates (FODMAPs) were most likely to show this pattern.
- What it means for you: If you have IBD and notice yourself avoiding many foods even when your disease is under control, you might benefit from talking to your doctor about anxiety or working with a dietitian. However, this is one small study, so more research is needed before making major dietary changes.
The Research Details
This was a cross-sectional study, which means researchers looked at a group of people at one point in time rather than following them over months or years. All 62 patients had inflammatory bowel disease that was in remission (no active inflammation) according to medical tests and scopes, but they all reported symptoms similar to irritable bowel syndrome. Patients completed online questionnaires about their eating habits, anxiety levels, depression, and stomach symptoms. The researchers then analyzed which factors were connected to positive ARFID screening results.
The study used several validated screening tools: a French version of a food-avoidance questionnaire, a food frequency questionnaire specific to FODMAP intake, and standard anxiety and depression scales. This multi-tool approach helped the researchers get a complete picture of each patient’s situation.
This research approach is important because it identifies a potential problem that doctors might miss. Patients with IBD often restrict their diets to manage symptoms, but sometimes they restrict too much—even when their disease is controlled. By screening for ARFID in this specific population, doctors can catch unnecessary food avoidance early and help patients maintain better nutrition.
This study has some strengths: it used validated screening tools, included patients with confirmed disease remission, and examined multiple factors at once. However, it’s relatively small (62 patients from one hospital in Belgium), so results may not apply to all populations. The study is observational, meaning it shows associations but cannot prove that anxiety causes ARFID. More research with larger, diverse groups would strengthen these findings.
What the Results Show
Among the 62 patients studied, 16 (26%) screened positive for ARFID risk. This means roughly 1 in 4 people with controlled IBD showed signs of restrictive eating patterns. The way ARFID appeared varied: some patients were picky eaters, some had very small appetites, and some feared eating certain foods. Most patients (63%) showed just one of these patterns, while some showed multiple patterns together.
The strongest connection was between IBS-type symptom severity and ARFID risk. Patients reporting worse stomach symptoms were more likely to screen positive for ARFID. In the detailed statistical analysis, two factors stood out: anxiety and very low consumption of FODMAP foods (a type of carbohydrate). Patients with anxiety and those eating minimal FODMAPs were significantly more likely to have positive ARFID screening.
The study also noted that depression scores were measured but didn’t show as strong a connection to ARFID as anxiety did. The distribution of ARFID patterns was interesting: most patients showed one type of restrictive behavior rather than multiple types combined. This suggests that food avoidance in this population takes different forms—some people become picky, others lose appetite, and others develop fear around eating.
Previous research has shown that people with IBD often restrict their diets, but most studies focused on active disease. This study adds important information by showing that food restriction continues even when the disease is controlled. The connection between anxiety and food avoidance aligns with other research showing that anxiety disorders often co-occur with restrictive eating patterns. However, the specific prevalence of ARFID in controlled IBD hasn’t been well-studied before.
This study has several important limitations. First, it’s small and from one hospital in Belgium, so results may not apply to other countries or healthcare systems. Second, it’s a snapshot in time—researchers didn’t follow patients over time to see if ARFID developed or resolved. Third, the study only screened for ARFID risk; it didn’t diagnose actual ARFID, which requires more detailed evaluation. Fourth, the study can’t prove that anxiety causes ARFID—only that they’re connected. Finally, the study didn’t include a comparison group of healthy people, so we don’t know if 26% is higher or lower than the general population.
The Bottom Line
If you have IBD that’s well-controlled but still experience stomach symptoms and notice yourself avoiding many foods, consider discussing this with your doctor or a gastroenterology dietitian. They can help determine if anxiety is playing a role and whether your food restrictions are necessary or excessive. Moderate confidence: This finding is based on one small study, so it’s a reasonable consideration but not definitive guidance.
This research is most relevant to people with IBD who have achieved disease remission but still have stomach symptoms and find themselves avoiding foods. It’s also important for gastroenterologists and dietitians treating these patients. People without IBD or those with active disease flares should not apply these findings to their situation without medical guidance.
Changes in eating patterns and anxiety typically take weeks to months to address. If you work with a therapist on anxiety, you might notice dietary improvements within 4-8 weeks. If you work with a dietitian to gradually reintroduce avoided foods, this process usually takes 2-3 months or longer.
Frequently Asked Questions
Can you have food avoidance if your inflammatory bowel disease is under control?
Yes. A 2026 study found that 26% of IBD patients with no active inflammation still screened positive for ARFID, showing that food restriction can persist even when disease is controlled. Anxiety and low FODMAP intake were key factors.
What is ARFID and how does it relate to gut disease?
ARFID is avoidant/restrictive food intake disorder—severely limiting foods due to pickiness, small appetite, or fear of eating. In IBD patients, ongoing stomach symptoms can trigger unnecessary food avoidance even after inflammation resolves.
Is anxiety connected to restrictive eating in people with IBD?
Research shows a strong connection. The 2026 study found anxiety was significantly associated with positive ARFID screening in IBD patients, suggesting psychological factors drive food restriction beyond what medical symptoms require.
Should I avoid FODMAPs if I have IBD and IBS-like symptoms?
Not necessarily. The study found that very low FODMAP intake was associated with ARFID risk, suggesting some patients over-restrict unnecessarily. Work with a gastroenterology dietitian to determine if FODMAP restriction is truly needed for your symptoms.
How can I tell if I’m avoiding foods unnecessarily?
If you have controlled IBD but still avoid many foods due to fear or habit, consider discussing this with your doctor or dietitian. They can help determine if your restrictions match your actual symptoms or if anxiety is driving unnecessary avoidance.
Want to Apply This Research?
- Track daily anxiety levels (1-10 scale) alongside food variety (number of different foods eaten). Look for patterns between high anxiety days and more restrictive eating.
- Set a weekly goal to try one food you’ve been avoiding in a small portion. Rate your anxiety before and after eating it. Use the app to log both the food and your anxiety response.
- Monitor your food variety score weekly and anxiety levels daily. Set reminders to practice one anxiety-reduction technique (breathing exercise, short walk) before meals. Track any changes in stomach symptoms as you gradually expand your diet.
This research describes screening for ARFID risk in a specific population and should not be used for self-diagnosis. If you have inflammatory bowel disease and notice yourself avoiding foods, consult your gastroenterologist or a registered dietitian before making significant dietary changes. This study is observational and cannot prove cause-and-effect relationships. Always work with qualified healthcare providers before modifying your diet or addressing anxiety, especially if you have a diagnosed medical condition.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.