Feb. 10—Dark chocolate has a reputation as a relatively healthy treat, but research showing some popular bars might have potentially unsafe levels of heavy metals has many questioning how safe these treats really are.
Consumer Reports tested 28 popular dark chocolate bars from Seattle's Theo Chocolate to Trader Joe's, Hershey's to Ghirardelli, and even smaller brands such as Alter Eco and Mast.
The study found cadmium and lead in every single bar.