As natural elements in the Earth’s crust, lead, cadmium and other heavy metals are in the soil in which crops are grown and thus can’t be avoided. The research team examined only pure dark chocolate products as they contain the highest amount of cacao, the raw, unprocessed part of the cacao bean. Gabi Musat/500px/Getty Images/FileLead and cadmium found, but no arsenicThe new study analyzed 72 consumer cocoa products for levels of lead, cadmium and arsenic. He authored a July study which analyzed 155 samples of chocolate and found higher levels of cadmium but little lead in dark chocolates. However, for healthy adults, Godebo’s risk analysis found little to worry about choosing to indulge in 1 ounce of dark chocolate now and again.

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Persons: can’t, ”, Jane Houlihan, Houlihan, Gabi Musat, ’ ”, Danielle Fugere, ” Fugere, “, Leigh Frame, Tewodros Godebo, Godebo Organizations: CNN, Nutrition, Food and Drug Administration, National Confectioners Association, Consumer Labs, FDA, Integrative Medicine, Health, George Washington University, Tulane University School of Public Health, Tropical Medicine, Environmental Protection Agency, World Health Organization, “, WHO Locations: Washington ,, New Orleans