Previous studies have shown the health benefits of eating chocolate. It contains high levels of antioxidants and flavonoids that may help reduce heart disease and cancer risk.
But now researchers report that some chocolate can contain high levels of lead and cadmium, two naturally occurring metals that can cause health issues. Brazilian Scientists tested 30 milk, dark, and white chocolate products sold in their country, some of which are exported to the Uinted States.
AdvertisementThey found that dark chocolate had the highest amounts of lead and cadmium, but all levels were below maximum limits set by Brazil's government, the European Union (EU), and the World Health Organization (WHO).
Two samples of dark chocolate did exceed U.S. Food and Drug Administration sanctions for lead concentration in candies. Lead can cause headaches and anemia in adults, and developmental issues in children. Cadmium can damage organs and disrupt hormone levels.
The scientists published their findings in the journal of Agricultural and Food Chemistry. The study say possible sources of contamination include the manufacturing processes, raw materials used and the wrappers in which the chocolates are stored.
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