About 40 percent of New Hampshire residents get their drinking water from private wells. The Department of Environmental Services is encouraging well owners to test their water for arsenic, but unlike ...

Arsenic exists in two forms, organic and inorganic. When encountered in the diet, inorganic arsenic is considered to be the more toxic of the two forms. Rice has higher levels of inorganic arsenic ...

This graphic is the first in a planned series looking at the effects and chemistry of a range of different poisons. As such, it seemed appropriate to start with one of the most well known poisons: ...

In a new report, the U.S. Geological Survey estimates 2.1 million Americans use water wells with high levels of arsenic, a naturally occurring metal linked to cancer, cardiovascular disease, diabetes ...

Microorganisms greatly influence arsenic 1 and barium 2 geochemical cycles. Of the two, arsenic is extremely toxic to most life forms, except for a few arsenic-respiring bacteria 1 and eukaryotic ...

For over 2,400 years, arsenic — from the Greek word arsenikon, meaning “potent” — has been used as both a therapeutic agent and a poison. During their time, Hippocrates used the arsenic sulfides ...