>>8995453 Half of UK Rice Breaches Limits on Arsenic for Children
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And here's something to know:
Folic acid supplementation lowers blood arsenic
Therapeutic strategies to facilitate arsenic methylation, particularly in populations with folate deficiency or hyperhomocysteinemia or both, may lower blood arsenic concentrations and thereby contribute to the prevention of arsenic-induced illnesses.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2042963/