Testing reveals which chocolates have the highest cancerous metals

Dark chocolate has long been touted as a healthier choice for people looking to satisfy their sweet tooth without spiking their blood-sugar.

But what the millions of people may not know is that they may also contain heavy metals linked to .

Multiple tests performed by consumer watchdogs have discovered high levels of products, which have been associated with kidney and bone disease, brain damage, miscarriages and tumor growth.

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