TOP TEN POISONS

1 CYANIDE: Naturally occurring in many foods, it is very fastacting.

2 ARSENIC: Until recently this virtually undetectable.

3 STRYCHNINE: Bitter white powder is extracted from trees.

4 POLONIUM: A radioactive poison used to kill former Russian spy Alexander Litvinenko. 5 TETRODOTOXIN: This is found in the puffer fish, a Japanese delicacy which must be very carefully prepared.

6 VX: Originally a pesticide, this nerve agent is far too dangerous for everyday use. 7 BOTULINUM TOXIN: This deadly poison is

the same stuff used in Botox!

8 MERCURY: Very toxic if ingested, but for centuries was popular as a medicine.

9 ANTHRAX: Deadly even if you just touch it.

10 SARIN: Used in a terror attack on the Tokyo subway, this nerve gas causes death in a matter of seconds.