Startling Presence Of Heavy Metals In Chocolate
Recent research has revealed that toxic heavy metals, naturally occurring in the soil where cocoa trees grow, are present in chocolate products. The study, led by Leigh Frame from George Washington University’s School of Medicine and Health Sciences, assessed 72 cocoa-based items, including dark chocolate, over an eight-year period. The research found concerning levels of heavy metals in these products, with 43% exceeding the maximum safe limit for lead and 35% surpassing the safe limit for cadmium. However, none of the products tested had arsenic levels above the safety threshold.
Frame highlighted the need for moderation when consuming chocolate, similar to other foods that may contain heavy metals such as large fish and unwashed brown rice. She stressed that while avoiding heavy metals entirely is impractical, it’s important to be mindful of intake levels and sources. Organic chocolate, contrary to popular belief, showed higher levels of both lead and cadmium compared to non-organic products.
The study also pointed out that products from countries with less stringent regulations on soil contaminants, including China, Nigeria, India, and Egypt, could have elevated heavy metal levels. Organ meats, certain herbal supplements, and shellfish were identified as other potential sources of heavy metals.
Despite some evidence that dark chocolate might offer health benefits for the brain, heart, and inflammation, the researchers caution that the risks associated with heavy metal contamination have not been fully accounted for. Consuming chocolate in moderation and being cautious about overall heavy metal exposure remains crucial.
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