Dark chocolate might have health perks, but should you worry about lead in your bar?
Briefly

Some researchers are now warning of concerning levels of heavy metals in some dark chocolate bars.David Izquierdo/500px Plus/Getty Images Dark chocolate has long been touted as having health benefits.We've been told it can improve our moods, decrease inflammation and even increase blood flow.But some researchers are now warning of heavy metals in some of our favorite dark chocolate bars.
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