According to the World Health Organisation (WHO), cassava poisoning kills about 200 people a year, earning the root vegetable the title of “world’s deadliest food.”

Though it’s risky, cassava is a lifeline to over 800 million people in approximately 80 countries, WHO reports. It’s drought-resistant, easy to grow, and provides essential carbohydrates. When processed correctly – soaked, fermented, dried, or boiled – the cyanide levels drop, making it safe to eat. For many, it’s not a choice – it’s a necessity for survival.

Deadly delicacy

The Japanese delicacy fugu is made from pufferfish, which contains a poison that’s “200 times more deadly than cyanide,” BBC reports. “Tetrodotoxin poisoning has been described as “rapid and violent”, first a numbness around the mouth, then paralysis, finally death. The unfortunate diner remains conscious to the end. There is no antidote.”

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