Research
Energy balance
Reducing the price of low-fat snacks and increasing their availability in vending machines significantly increases their purchase and consumption.
To encourage healthier eating, make low-fat snacks cheaper and more visible in vending machines and stores.
GoodSupportsHIGH confidence
Ten percent, 25%, and 50% reductions in the price of low-fat items resulted in 10%, 39%, and 93% increases in the purchases of low-fat items, respectively.
Why this rating
Based on a large randomized trial examining feasibility and effectiveness of environmental interventions.
Source
The Changing Environment and Population Obesity in the United States
Robert W. Jeffery et al. · Obesity Research · 2003
DOI 10.1038/oby.2003.221
narrative_reviewCited 230×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Increased availability and convenience of calorie-dense foods (e.g., fast food, processed meals, large portions) contributes to population obesity by increasing per capita energy intake relative to expenditure.Moderate
- Increased television viewing is associated with higher body weights in children and adults, potentially through increased eating rather than decreased physical activity.Moderate
Related findings · Energy balance
- Achieving a total body weight loss of 10-15% (or >10-15 kg) through Total Diet Replacement (TDR) induces remission of Type 2 Diabetes in individuals with short-duration disease.Strong
- Bariatric surgery is superior to medical management alone for inducing significant long-term weight loss, remission of type 2 diabetes, and reduction in mortality for patients with BMI ≥ 40 or ≥ 35 with comorbidities.Strong
- Achieving type 2 diabetes remission requires significant weight loss (≥15 kg) via major caloric restriction, independent of macronutrient composition.Strong
This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →