Impact of Unhealthy Eating on Chronic Diseases in Canada

Leading Causes of Death

Chronic diseases, including cardiovascular diseases and cancers, are the primary causes of death in Canada. A significant contributing factor to the emergence of these diseases is poor dietary habits. Understanding the economic implications of unhealthy eating can aid government health agencies in addressing chronic disease.

Previous Cost Estimates

Earlier assessments indicated that the economic impact of unhealthy eating was approximately C$6.6 billion across Canada (Health Canada, 1998) and C$2.9 billion specifically for Ontario (Cancer Care Ontario and Public Health Ontario, 1998).

Groundbreaking Study on Economic Costs of Unhealthy Eating

Research Overview

A pioneering study published in PLOS One focused on the economic ramifications of unhealthy eating in Canada. Researchers compared recommended food intakes to actual consumption, defining unhealthy eating as the negative disparity between the two.

Methodology

This study was the first in Canada to employ a “bottom-up” additive approach, enabling the categorization of estimates by food groups, chronic diseases, age, and gender. They referenced the 2015 Global Burden of Disease Study to identify foods significantly affecting chronic diseases, which included:

– Fruit (excluding juice)
– Non-starchy vegetables
– Whole grains
– Nuts and seeds
– Fluid milk
– Red meat
– Processed meat
– Sugar-sweetened beverages

They used data from the Canadian Community Health Survey (CCHS) conducted from January 2004 to January 2005 to calculate population-attributable fractions (PAFs). PAFs represent the reduction in disease or mortality that could be observed if a risk factor, such as unhealthy eating, were eliminated.

Cost Estimation

The researchers estimated both direct healthcare costs and indirect costs, utilizing data from sources like the “National Health Expenditure Trends, 1975 to 2015” by the Canadian Institute for Health Information.

Findings on Eating Behaviors and Economic Costs

Analysis of Eating Habits

The study revealed that Canadians frequently fail to meet the recommended intake levels for healthy foods, such as vegetables, fruits, whole grains, nuts, and milk. Conversely, they tend to meet or exceed the recommended levels for unhealthy foods like red meat, processed meat, and sugar-sweetened beverages. Notably, Canadians showed particular deficiencies in meeting recommendations for nuts, seeds, and whole grains.

Economic Impact of Unhealthy Eating

In 2014, the economic cost attributed to unhealthy eating reached C$13.8 billion. The breakdown indicated that the cost of inadequate consumption of healthy foods (C$10.6 billion) surpassed the cost of excessive consumption of unhealthy foods (C$3.2 billion). Specifically, the costs associated with insufficient intake of nuts, seeds, and whole grains were significant, constituting over 20% of the total economic burden.

Limitations of the Study

The researchers acknowledged certain limitations, noting that their calculated values were likely underestimated due to omitted costs associated with nutrients. Additionally, the study did not account for regional variations in healthcare expenses.

Implications for Policy and Public Health

Recommendations for Change

The substantial national economic cost of unhealthy eating underscores the necessity for strong investments in healthy eating initiatives. Both government policymakers and the public are encouraged to prioritize healthy eating practices, as these efforts can yield significant economic benefits for Canadians.

Reference

Lieffers et al. “The economic burden of not meeting food recommendations in Canada: The cost of doing nothing.” PLoS ONE 13(4): e0196333.