Pulse Brain · Growing Health Evidence Index
Tier 4 — Narrative / commentaryPeer-reviewed

Obesity II: Establishing causal links between chemical exposures and obesity.

Heindel JJ, Howard S, Agay-Shay K, Arrebola JP, Audouze K, Babin PJ, Barouki R, Bansal A, Blanc E, Cave MC, Chatterjee S, Chevalier N, Choudhury M, Collier D, Connolly L, Coumoul X, Garruti G, Gilbertson M, Hoepner LA, Holloway AC, Howell G, Kassotis CD, Kay MK, Kim MJ, Lagadic-Gossmann D, Langouet S, Legrand A, Li Z, Le Mentec H, Lind L, Monica Lind P, Lustig RH, Martin-Chouly C, Munic Kos V, Podechard N, Roepke TA, Sargis RM, Starling A, Tomlinson CR, Touma C, Vondracek J, Vom Saal F, Blumberg B.

Biochem Pharmacol · 2022

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Summary

This comprehensive narrative review, authored by an international consortium of environmental health and metabolic disease experts, synthesises evidence for causal relationships between chemical exposures and obesity development. The authors move beyond epidemiological associations to examine mechanistic pathways through which endocrine disruptors and other environmental chemicals may promote adipogenesis, metabolic endotoxaemia, and weight gain across critical developmental windows. The work supports the hypothesis that chemical contamination of food, water, and consumer products represents an underrecognised obesity risk factor warranting public health and regulatory attention.

Regional applicability

The findings are relevant to UK food safety and environmental health policy, particularly regarding regulation of chemicals in food contact materials and agricultural residues. However, the review does not address UK-specific exposure levels or agricultural practices, limiting direct applicability to domestic farming system recommendations.

Key measures

Mechanisms of chemical-induced obesity; adipogenesis and metabolic dysregulation; evidence quality assessment across experimental and human studies; exposure-outcome associations across developmental windows

Outcomes reported

The study examined and synthesised evidence for causal links between environmental chemical exposures (endocrine-disrupting chemicals, persistent organic pollutants, metals) and obesity development across multiple biological pathways and life stages. The authors assessed mechanistic evidence, experimental models, and epidemiological data to establish causality rather than association alone.

Theme
Nutrition & health
Subject
Pesticides, contaminants & food safety
Study type
Narrative Review
Study design
Narrative review
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
DOI
10.1016/j.bcp.2022.115015
Catalogue ID
NRmo9rin9c-0ns

Topic tags

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