If you ate a serving of rice every day with inorganic arsenic levels 10x the threshold level selected by Consumer Reports, your lifetime cancer risk would be about 5 individuals affected out of a population of 100,000 individuals indulging in identical behavior.
I might avoid rice baby foods but otherwise the CR article would not change my behavior.
I referred to the following epidemiological study concerning the risk of arsenic in drinking water in making my assessment:
http://www.ncbi.nlm.nih.gov/pmc/arti...00308-0117.pdf