Some foods contain natural toxins, poisons, or dangerous compounds, yet humans have somehow learned how to prepare and eat them safely. In this video, we are counting down 20 poisonous foods that people have developed a tolerance for over time. From cassava and kidney beans to nutmeg, rhubarb leaves, bitter almonds, pufferfish, and certain wild mushrooms, these foods can be risky when handled incorrectly. Some require soaking, cooking, fermenting, or expert preparation before they are safe to enjoy. We will explore what makes these foods dangerous, how different cultures learned to reduce the risks, and why preparation matters so much when it comes to food safety. This list is full of surprising examples that prove humans have always been bold when it comes to eating. Watch until the end and tell us which poisonous food you were most shocked people actually eat.