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Recent research has implicated environmental contaminants in the pathogenesis of obesity. A new study sought to explore the relationship between persistent organic pollutants (POPs) and fat mass.
The results showed that blood plasma concentrations of octachlorodibenzo-p-dioxin (OCDD), PCBs, and the pesticides HCB, TNK, and DDE were all positively related to fat mass. Subjects in top 20 percent of PCB 105 showed a mean fat mass that was over 10 pounds higher than those in the lowest 20 percent.