Radioiodine not taken up into the thyroid gland is excreted in your urine and saliva.

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As time passes, PCL degrades and is excreted out of the body, hopefully leaving behind a healed organ.

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Most BPA in food is excreted in the urine.

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Worse, once absorbed, the chemical is locked into the body's fat tissue (it is only excreted through the placenta and in breast milk).

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There is no cumulative buildup and the chemical is metabolized quickly by the body and excreted, noted Antonia M.

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P450s, and one of its jobs is to convert nicotine into a less harmful chemical called cotinine that can then be excreted.

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The road is littered with discarded vitamins and minerals that made perfect sense but proved to be digested and excreted without effect.

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