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Related Experiment Video

Updated: Jun 14, 2026

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
04:54

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Published on: March 19, 2021

Trends in food availability, 1909-2007.

Neal D Barnard1

  • 1Washington Center for Clinical Research, Washington, DC 20016, USA. nbarnard@pcrm.org

The American Journal of Clinical Nutrition
|March 26, 2010
PubMed
Summary
This summary is machine-generated.

Increased food availability, particularly oils, meat, and sweeteners, correlates with rising childhood obesity. These dietary shifts over the past century offer insights into energy intake patterns contributing to this public health concern.

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Last Updated: Jun 14, 2026

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
04:54

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Published on: March 19, 2021

Area of Science:

  • Nutrition Science
  • Public Health
  • Food Systems Analysis

Background:

  • Childhood obesity is a growing public health concern, largely attributed to increased energy intake.
  • Identifying specific food categories driving this energy intake increase is crucial for targeted interventions.

Observation:

  • Food availability data from 1909-2007 reveal significant per capita increases in added oils, meat, cheese, and frozen dairy products.
  • From 1970-2007, per capita availability of sweeteners rose, while carbonated beverage availability increased, potentially displacing fluid milk.
  • Flour and cereal availability declined initially but later recovered, and fruit, fruit juice, and vegetable availability also increased.

Findings:

  • Major contributors to increased energy intake over the last century include oils, shortening, meat, cheese, and frozen desserts.
  • More recent increases in added sweeteners, fruits, fruit juices, and vegetables also contribute to energy intake.
  • Shifts in food availability patterns provide a basis for understanding changes in dietary energy consumption.

Implications:

  • Understanding these food availability trends is essential for developing effective strategies to combat childhood obesity.
  • Public health policies may need to address the increased availability and consumption of high-energy-density foods.
  • Further research can explore the direct causal links between specific food category availability and obesity prevalence.