The World’s Deadliest Food? Why 500 Million People Still Safely Eat it

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  • Grows in poor soils where other crops fail

  • Provides high energy per serving

  • Can be stored for months without spoiling

It’s versatile and appears in countless dishes, from stews and fried snacks to tapioca puddings and flour. Despite its benefits, cassava carries a hidden danger: cyanogenic compounds, which can produce cyanide if consumed raw or improperly prepared.

Why Cassava Is Dangerous

Raw cassava contains naturally occurring cyanogenic glycosides, chemicals that can release cyanide in the body. Eating raw or insufficiently processed cassava can lead to:

  • Acute cyanide poisoning, which can be fatal in severe cases

  • Chronic conditions, such as konzo, a neurological disease causing paralysis

  • Goiter and other iodine-related complications in vulnerable populations

This is why cassava is sometimes labeled “the world’s deadliest food.” However, the risks are entirely preventable with proper preparation.

How People Eat Cassava Safely

For centuries, communities around the world have developed methods to make cassava safe:

  1. Peeling: The outer layers contain the highest concentration of cyanide, so peeling is essential.

  2. Soaking: Submerging cassava in water for several hours helps leach out cyanogenic compounds.

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