Arsenic is known to be the most potent poison that has killed many lives. Popularly known called “The King of Poisons”Arnesic has a long and wicked history; its very name has become tantamount with poison. Some of the famous people who are believed to have died due to arsenic poisoning are Napoleon Bonaparte, George the 3rd of England and Simon Bolivar. Death by arsenic is especially horrific because the poison damages several body functions simultaneously.
Cyanide is a mitochondrial toxin which has been used since the ancient Egyptians. It can be found in various substances like almonds, apple seeds, apricot kernel, tobacco smoke, insecticides, pesticides etc. Cyanide causes death within minutes to hours of exposure, just look at Hitler for example. Though significant cyanide poisoning is uncommon, it must be recognized quickly to ensure prompt and proper administration of life-saving treatment.
The most dangerous man-made poison is called Dioxin, and it only takes 50 micrograms to be lethal to an adult human being. It's the third most toxic poison known to science, 60 times more toxic than cyanide. In the year 2005, Ukrainian presidential candidate Viktor Yushchenko has been poisoned with dioxins.
Tetrodotoxin (TTX) is a potent neurotoxin responsible for many human intoxications and fatalities each year. It is an uncommon poison which is generally found in marine animals. This includes Puffer fish and Octopus. The cases of Tetrodotoxin are generally seen in Taiwan, Japan, and Southeast Asia. The main advantage with this toxin is that its effect can be realized after many hours one is affected by it.
5 Atropa Belladona
Atropa belladonna, commonly known as belladonna or deadly nightshade, is one of the most toxic plants of the Eastern Hemisphere. This plant contains poisonous atropine and scopolamine in its stems, leaves, berries and roots. Well, actually, if ingested, a single leaf is lethal and that’s why it was used to make poison-tipped arrows. The berries of this plant are the most dangerous – consumption of ten of the attractive-looking berries can kill you.