Chemicals in food are an overlooked threat to public health, scientists say

A recent article published in Nature Medicine highlights the ubiquitous presence of synthetic chemicals in the global food supply and emphasizes the need to transition to a safer, more sustainable food system.

In short:

• The industrial global food system relies heavily on synthetic chemicals — including pesticides, additives, plastics and food contact materials — to preserve perishable foods.
• There are four main pathways for contamination by food contact chemicals: food processing, transportation, packaging, and preparation.
• Many food contact chemicals have been linked to significant harm to human health, and while there are more than 15,000 known food contact chemicals, up to 100,000 are estimated to exist.
• The authors emphasize the need for policy interventions to protect public health, including overhauling chemical regulations and policies that reduce ultra processed foods.

Key quote:

“Public health should be a priority for policymakers, and the importance of mitigating chemical exposures is still underappreciated.”

Why this matters:

Through the reliance on synthetic chemicals and the production of ultra processed foods, the modern globalized food system prioritizes economic considerations — like short-term profit and cost-efficiency — over human health. In addition to scientists, many regulatory bodies have acknowledged the gaps in current chemical policies. In 2016, the European Parliament wrote that existing regulation of food contact materials is “insufficient” and that there is a “general underestimation” of their contribution to food contamination. The authors of this article underscore governments’ critical role in reducing public exposure to harmful chemicals.