Summary: New evidence from Pennington Biomedical shows that combining obesity medications—specifically GLP-1 receptor agonists—with a digital behavioral weight-management program produces a larger and faster reduction in persistent, intrusive thoughts about food, commonly referred to as “food noise,” than behavioral treatment alone.
This observational cohort study provides the first empirical data supporting widespread anecdotal reports that GLP-1 receptor agonists (GLP-1 RAs) can dampen the ongoing preoccupation with food that often undermines healthy eating and weight-management efforts.
Key Research Findings
- What is “Food Noise”? Food noise describes constant, intrusive, and often uncontrollable thoughts about food that interfere with daily life, productivity, and attempts to maintain healthy behaviors.
- Combination treatment is more effective: While a digital behavioral program by itself reduced food noise, participants who began GLP-1 RA therapy in addition to behavioral treatment experienced substantially larger decreases.
- Measured impact: Using the validated Food Noise Questionnaire (FNQ), the GLP-1 group’s adjusted mean FNQ score fell by 4.05 points, compared with a 1.15-point adjusted decrease in the behavioral-only group.
- Statistically meaningful difference: The reduction in food noise was significantly greater in the medication group, with an adjusted between-groups difference of 3.0 points after one month.
- Potential early indicator: The rapid decline in intrusive food-related thoughts may serve as an early signal of therapeutic response to weight-loss treatment combining medication and behavioral support.
Study background and context
Presented at the 33rd European Congress on Obesity in Istanbul, Turkey, this study was led by Dr. Hanim Diktas, a postdoctoral researcher at LSU’s Pennington Biomedical Research Center, and colleagues. The research addresses a gap in the literature by empirically testing whether GLP-1 RAs reduce food noise more substantially than behavioral treatment alone.
The analysis focused on short-term change in food noise within a digital behavioral weight management program. Researchers used the Food Noise Questionnaire (FNQ), a validated five-item scale with each item scored from 0 to 4 for a maximum total of 20 points. Items ask participants to rate statements such as:
- I find myself constantly thinking about food throughout the day.
- My thoughts about food feel uncontrollable.
- I spend too much time thinking about food.
- My thoughts about food have negative effects on me and/or my life.
- My thoughts about food distract me from what I need to do.
Participants completed the FNQ and recorded body weight with digital scales at baseline and at a one-month follow-up. The analytic sample included 417 adults enrolled in the digital program: 92 who initiated a GLP-1 RA in combination with behavioral treatment (labelled “Weight Watchers Med+, GLP-1 RA”) and 325 who received behavioral treatment without initiating GLP-1 RAs (“Weight Watchers Core+, No GLP-1 RA”). Individuals already using GLP-1 RAs or other weight-loss medications at baseline were excluded.
Baseline characteristics showed most participants were female (93%) and white (94%), with a mean age of 59 years and mean BMI of 34 kg/m2. Unadjusted mean FNQ scores fell from 13.1 to 8.7 in the group that started GLP-1 RAs and from 10.7 to 9.7 in the behavioral-only group. After adjusting for baseline FNQ scores, models estimated an adjusted mean change of -4.05 points for the GLP-1 group and -1.15 points for the behavioral-only group, yielding an adjusted between-group difference of -3.0 points over one month.
Researchers emphasize that the one-month time point was chosen because it was the first follow-up available for most participants and thus provides a clear view of short-term effects. The significant and relatively large reduction in food noise among GLP-1 RA initiators aligns with prior anecdotal reports and suggests that changes in intrusive food-related thoughts could help predict longer-term treatment response.
Key Questions Answered
A: Food noise is the persistent mental distraction of frequent, intrusive thoughts about food that can feel uncontrollable and interfere with daily life and productivity.
A: Not necessarily. Behavioral treatment alone produced a modest reduction (about 1.15 points) on the FNQ. In this short-term analysis, combining GLP-1 RAs with behavioral treatment produced an approximately fourfold greater reduction compared to behavioral therapy alone.
A: The study used the five-item Food Noise Questionnaire, which asks participants to rate statements about the frequency, control, and impact of food-related thoughts on a 0–4 scale.
Editorial Notes
- This article was edited by a Neuroscience News editor.
- The underlying journal paper was reviewed in full.
- Additional context was added by editorial staff.
About this obesity and neuropharmacology research news
Author: Ernie Ballard
Source: Pennington Biomedical
Contact: Ernie Ballard – Pennington Biomedical
Image: The image is credited to Neuroscience News
Original Research: The findings were presented at the European Congress on Obesity 2026 (ECO2026). Additional analyses examining the relationship between weight change and changes in food noise are in progress for the full manuscript.