A study led by Dr. Antonio Signes-Pastor, a postdoctoral fellow in the Epidemiology Department, found arsenic levels above the European Union maximum level of .1 mg/kg in almost three-quarters of rice-based foods marketed to infants and young children in the EU. The study also found that infants' urinary As metabolites were correlated with formula feeding and consumption of rice-based products.
Read more here:
https://www.theguardian.com/lifeandstyle/2017/may/04/inorganic-arsenic-rice-cakes-babies-queens-university-belfast
https://www.ncbi.nlm.nih.gov/pubmedhealth/behindtheheadlines/news/2017-05-05-concerns-about-alleged-harmful-arsenic-levels-in-baby-rice-cakes/
https://www.sciencedaily.com/releases/2017/05/170504161538.htm