There is no known antidote to ricin. Depending on the dose, it can cause death within 36 to 72 hours, according to the US Centers for Disease Control and Prevention. In 2014, a Mississippi man was ...

Ricin is a lethal substance that, if swallowed, inhaled or injected, can cause nausea, vomiting, internal bleeding and ultimately organ failure. No known antidote exists for ricin. If a person is ...

Ricin, made infamous in "Breaking Bad," can be made from the waste material left over from processing castor beans, according ...

Made from castor beans, ricin can cause death from exposure to as little as a pinhead amount. Most victims die between 36 and 72 hours after exposure and there is no known antidote. “Ricin is ...

Ricin is derived from the castor bean plant and is one of the world’s deadliest toxins. It has no known vaccine or antidote and kills cells by preventing them from making proteins. Rudakubana ...