5. Castor Bean – The Other Side of Coin Is Often Dangerous
This plant is used for making castor oil. Strangely enough, the seeds which are used for making castor oil are also toxic in nature. It is more fatal than cyanide, say toxicologists. However, the toxin works only when it is injected or inhaled. Eating it is not considered that risky and people survive after undergoing moderate stomach problems.
