Multiple adverse thyroid and metabolic health signs in the population from the area heavily polluted by organochlorine cocktail (PCB, DDE, HCB, dioxin).

Thus, if all data obtained from 2046 subjects were stratified according to quintiles of PCBs level, highly significant increase was found (p < 0.02 to 0.0000 by chi-sqauare) for the frequency of 8 among 13 signs, while the increase of one additional sign was slightly above significance limit and that in 4 other was not significant.

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