Sixty percent of the people in Bangladesh are affected in the largest mass poisoning case in the world currently.

CNN: Filter cleans arsenic-tainted water

The most notable case of ricin poisoning was in 1978, when a Bulgarian dissident was lethally injected with it by an operative of that country's secret service.

NPR: Tests Link Deadly Ricin To Obama Letter Suspect

Most of the CPSC injury data is based on reports of emergency room visits, something a child who has ingested lead will usually avoid unless he or she develops an acute case of lead poisoning.

FORBES: Magazine Article

Prosecutors are to seek a retrial in the case of a dental nurse accused of poisoning her boss's coffee after a jury failed to reach a verdict.

BBC: 'Mercury coffee' case accused to face retrial

In the worst case, rising debts and defaults depress growth, poisoning the economy by deepening deflation and pressing real interest rates higher.

ECONOMIST: Inflation is bad, but deflation is worse

There's an echo of "Network's" Howard Beale in the character of Arthur Edens (the reliably excellent Tom Wilkinson), a "killer litigator" who cracks up in the midst of a major case: the defense of an ethically indefensible agrochemical company that's been poisoning its customers.

CNN: Review: Acting drives decent 'Clayton'