Food 22/03/2026 12:02

“World’s Deadliest Food”? The Truth About Cassava and Why Millions Still Eat It Safely

“World’s Deadliest Food”? The Truth About Cassava and Why Millions Still Eat It Safely

“World’s Deadliest Food”? The Truth About Cassava and Why Millions Still Eat It Safely

At first glance, that claim sounds shocking:
a common food that kills hundreds of people every year — yet is eaten by millions daily.

The food in question is cassava (also known as manioc or yuca). And yes — there is some truth behind the warning. But the full story is way more nuanced.

Let’s break it down clearly so it doesn’t turn into unnecessary panic.


What Is Cassava?

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Cassava is a starchy root vegetable widely consumed in:

  • Africa
  • South America
  • Southeast Asia

It’s a staple food because it’s:

  • Cheap and accessible
  • High in carbohydrates
  • Drought-resistant (easy to grow)

In Vietnam, cassava (sắn) is super familiar — boiled, grilled, or made into tapioca.


Why Is Cassava Considered “Dangerous”?

The key issue lies in natural toxins inside raw cassava.

Cassava contains compounds called cyanogenic glycosides, which can release cyanide when consumed improperly.

That sounds intense — and it is.

But here’s the critical detail:
toxicity depends entirely on preparation.


How Poisoning Actually Happens

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