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Ultra-processed Foods, Weight Gain, and Co-morbidity Risk
Anthony Crimarco1, Matthew J Landry1, Christopher D Gardner2
1Stanford Prevention Research Center, School of Medicine, Stanford University, Palo Alto, CA, USA.
Current Obesity Reports
|October 22, 2021
Summary
Ultra-processed foods (UPFs) are linked to weight gain and health issues. Limiting UPF intake may improve health outcomes, though more research is needed to understand the exact mechanisms.
Area of Science:
- Nutrition Science
- Public Health
- Dietary Research
Background:
- Ultra-processed foods (UPFs) represent a significant portion of modern diets.
- Growing evidence suggests a link between UPF consumption and adverse health outcomes.
- Understanding the impact of UPFs on food intake and weight regulation is crucial.
Purpose of the Study:
- To review current data on the association between Ultra-processed food (UPF) consumption and food intake.
- To explore potential mechanisms linking UPF consumption to weight gain and related co-morbidities.
- To provide an updated perspective on the health implications of UPFs.
Main Methods:
- Systematic review of observational studies.
- Analysis of a mechanistic study investigating energy intake and weight gain.
- Synthesis of existing literature on UPF characteristics and health risks.
Main Results:
- Consistent association between UPF consumption and increased risk of weight gain in adults and children.
- UPF consumption linked to higher risk of adiposity-related co-morbidities in adults.
- A mechanistic study demonstrated increased energy intake and weight gain with UPF consumption compared to whole foods.
Conclusions:
- UPFs are often energy-dense rather than nutrient-dense.
- UPF consumption is associated with increased adiposity and co-morbidity risk.
- Recommendations to limit UPF intake may benefit public health, warranting further mechanistic investigation.
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