- Change theme
The world's deadliest poisons
Capsaicin
This is the chemical that makes chillis hot, but in its purest form it is strong enough to kill when digested. It will also cause burns and blistering in contact with human skin. The same chemical is used for muscle heat rubs.
Look through our other great galleries!
Why not test yourself with our quizzes?
Looking for something different? Try our weird news!
Latest news headlines