Lead can end up in cinnamon in a number of ways, but how much it contributes to blood lead levels in consumers depends on the amount of lead, as well as the frequency and amount of spice consumption.
Articles on Lead exposure
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Although the US banned lead-based paint in 1978, homes built before then commonly contain lead paint.
Researchers found that children exposed to secondhand smoke had higher than average levels of lead in their blood.
Lead levels in backyard hen eggs are often much higher than in eggs bought in the shops. A new study of soil lead, chickens and eggs locates the high-risk areas in our biggest cities.
The world recently celebrated the end of leaded petrol, as sales ceased in Algeria.
Three experts explain a few aspects of American infrastructure that desperately need investment.
A federal report reveals that most school districts are failing to inspect their buildings for lead-based paint hazards and, when they do, often fail to tell parents about what they found.
Even the tidiest space has some dust. Researchers are investigating just what these indoor particles are made of and their possible implications for human health.
Lead contamination is not just a problem for Flint, Michigan. It is an issue in many regions. One epidemiologist figured out how to measure past lead exposure using treasured biological samples.
Reduced lead exposure has made us smarter and healthier. Could changes in regulatory agencies across North America endanger this?
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Professor of Earth Sciences and Executive Director, Environmental Resilience Institute, Indiana University
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Professor of Atmospheric Chemistry and Earth Observation Science, University of Leicester
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Associate Professor of Sociology, UMass Lowell
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Professor, School of Natural Sciences, Macquarie University
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Professor, Research School of Earth Sciences, Australian National University
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Honorary Professor, School of Natural Sciences, Macquarie University
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Assistant Professor of Epidemiology, Texas A&M University
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Associate Professor of Environmental and Occupation Health, University of California, Irvine; University of Southern California
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Assistant Professor of Health Physics, Purdue University
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Professor of Electrical Engineering, Iowa State University
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Associate Professor of Environmental and Occupational Health, Texas A&M University
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Professor, Physics and Astronomy, McMaster University
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Professor, University of Toledo
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Associate Professor of Epidemiology and Environmental Health, University at Buffalo