Reassessment of dioxin exposure points to fish oil concerns

Official estimates of human intakes of "dioxin toxicity" increased by 60% in May after the Department of Health (DoH) recognised that PCBs can have similar toxic effects to dioxins. The announcement has refocused attention on the very low safety margins for exposure to dioxins and PCBs, particularly for breast-fed babies. Despite the concern, the DoH has declined to act on new evidence that fish oil supplements may cause many people, and especially children, to exceed even the most conservative tolerable limits - contradicting its own earlier advice.

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