The influence of nutritional factors on lead absorption

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The influence of nutritional factors on lead absorption.

The nutritional factors which affect lead absorption have been studied. Synthetic diets of known composition were compounded to contain 0-075% Pb as PbCl2 labelled with 203Pb. Rats were exposed to lead for periods of 48 hr. The dietary intake was then measured and the absorption of lead determined by means of a whole-body counter. Lead absorption was increased by high fat, low mineral, low prot...

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The Influence of Declining Air Lead Levels on Blood Lead–Air Lead Slope Factors in Children

BACKGROUND It is difficult to discern the proportion of blood lead (PbB) attributable to ambient air lead (PbA), given the multitude of lead (Pb) sources and pathways of exposure. The PbB-PbA relationship has previously been evaluated across populations. This relationship was a central consideration in the 2008 review of the Pb national ambient air quality standards. OBJECTIVES The objectives...

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Nutritional Factors and Susceptibility to Lead Toxicity

Although the quantities of lead (Pb) to which individuals are exposed vary widely, susceptibility of an individual to the effects of a specific level of exposure is another highly important factor in development of lead toxicity. For example, susceptibility to lead toxicity can be modified by several dietary factors. Low dietary intakes of calcium or iron (20% of recommended levels) substantial...

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ژورنال

عنوان ژورنال: Postgraduate Medical Journal

سال: 1975

ISSN: 0032-5473

DOI: 10.1136/pgmj.51.601.795