A recent, 8-year-long analysis of U.S. dark chocolate and cocoa products revealed a significant portion of samples to contain cadmium and lead levels exceeding California Proposition 65 maximum allowable limits, although concentrations of toxic heavy metals were seen to reduce over time.

A new study from George Washington University suggests that Escherichia coli infection from meat products may be responsible for hundreds of thousands of urinary tract infections (UTIs) in the U.S. each year.