Toxic Levels of Arsenic Found in Popular Juice Brands pt5

From yahoo.com:

A Chronic Problem

Arsenic has been notoriously used as a poison since ancient times. A fatal poisoning would require a single dose of inorganic arsenic about the weight of a postage stamp. But chronic toxicity can result from long-term exposure to much lower levels in food, and even to water that meets the 10-ppb drinking-water limit.

A 2004 study of children in Bangladesh suggested diminished intelligence based on test scores in children exposed to arsenic in drinking water at levels above 5 ppb, says study author Joseph Graziano, Ph.D., a professor of environmental health sciences and pharmacology at Columbia University. He’s now conducting similar research with children living in New Hampshire and Maine, where arsenic levels of 10 to 100 ppb are commonly found in well water, to determine whether better nutrition in the United States affects the results.

People with private wells may face greater risks than those on public systems because they’re responsible for testing and treating their own water. In Maine, where almost half the population relies on private wells, the USGS found arsenic levels in well water as high as 3,100 ppb.

And a study published in 2011 in the International Journal of Environmental Research and Public Health examined the long-term effects of low-level exposure on more than 300 rural Texans whose groundwater was estimated to have arsenic at median levels below the federal drinking-water standard. It found that exposure was related to poor scores in language, memory, and other brain functions.

“I suspect there is an awful lot of chronic, low-level arsenic poisoning going on that’s never properly diagnosed.”—Michael Harbut, M.D.

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