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Filters reduce arsenic levels by nearly 50% in Native American study participants with well waterFor the study—a randomized controlled trial in Native American communities in the Northern Great Plains—so-called "point of use" arsenic filters were installed in households whose private ...
As such, it seemed appropriate to start with one of the most well known poisons: arsenic. Arsenic has been used by poisoners for centuries, primarily in the form of white arsenic, or arsenic ...
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