Lead in Candy
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Lead in Candy
Introduction:
A recent issue that has generated a good deal of controversy is contaminants in children's candy. In April 2004, Orange County Register conducted an investigation and published a six-part story about lead in candy, imported mostly from Mexico. The story and news reports since the initial story are available on the newspaper's Web site: www.ocregister.com/investigations/2004/lead/index.php.
Tasks:
You will cover one of the following aspects of the story:
Introduction: presentation and summary of the issue
How lead gets into candies
The allowable levels of lead
The effects of lead on children's health and in adults, especially during pregnancy
Treatment for lead poisoning
Regulations on lead in Mexico and their enforcement
Regulations on lead in the United States and their enforcement
Create a PowerPoint Presentation of no more than 10 slides that gives an overview of the aspect of this story assigned to you or write an essay presenting this topic to the rest of the institute.
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Solution Summary
Lead has been found in some consumer candies imported from Mexico. Certain candy ingredients such as chili powder and tamarind may be a source of lead exposure. Lead sometimes gets into the candy when processes such as drying, storing, and grinding the ingredients are done improperly.
Once lead is absorbed into the bloodstream, some of it is filtered out and excreted, but the rest gets distributed to the liver, brain, kidneys and bones.Lead causes anemia in both children and adults by impairing the formation of oxygen-carrying molecules, beginning at exposures of around 40ug/dl.
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