Arsenic is a natural component of Earth's crust and highly toxic in its inorganic form. The element is a cause of a global ...

The well-known madness of King George III, who ruled England during the American Revolution, was probably exacerbated by arsenic-contaminated medicines used to treat some of his symptoms, a study of ...

But the arsenic test was most striking. Emily's body contained nearly four times what is considered a safe level of arsenic in humans. Shocked doctors initially accused Janak of poisoning her daughter ...