Possible Drawback to Gluten-Free: Toxic Metals
Higher levels of arsenic, mercury found in people who follow this eating plan, study finds
THURSDAY, Feb. 16, 2017 (HealthDay News) -- America's love affair with gluten-free foods may come at a cost: greater intake of the toxic metals arsenic and mercury, a new study contends.
"These results indicate that there could be unintended consequences of eating a gluten-free diet," said study author Maria Argos of the University of Illinois at Chicago (UIC).
Gluten-free products often contain rice flour as a substitute for wheat, rye and barley. And rice is known to accumulate arsenic and mercury from fertilizers, soil and water, said Argos, an assistant professor of epidemiology in the School of Public Health.
Compared to other survey participants, those who ate gluten-free diets had nearly twice the levels of arsenic in their urine, and 70 percent higher levels of mercury in their blood, according to the study.
However, "more research is needed before we can determine whether this diet poses a significant health risk," Argos said in a university news release.
Full article: https://medlineplus.gov/news/fullstory_163630.html
Pre-publication text of the study (click on "article as pdf, and then open file):
[bThe Unintended Consequences of a Gluten-Free Diet.][/b]
Bulka, Catherine M. MPH; Davis, Matthew A. PhD; Karagas, Margaret R. PhD; Ahsan, Habibul MD, MMedSc; Argos, Maria PhD
March 8, 2017 - Volume Publish Ahead of Print - Issue - ppg
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