When it comes to eating dark chocolate, there's no way to completely avoid heavy metal exposure.
A recent Consumer Reports study found that 28 popular dark chocolate bars — from Seattle's own Theo Chocolate to Trader Joe's, Hershey's to Ghirardelli, and even smaller brands like Alter Eco and Mast — may contain unsafe levels of two heavy metals.
Chocolate is just one potential source of heavy metal exposure, and experts disagree on how much exposure poses a health risk.