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Potatoes that turn green when exposed to light produce solanine, a toxic substance. In high doses, it can cause vomiting, mental confusion, and even paralysis. The best course of action: peel the potatoes thoroughly and discard any overly green tubers without hesitation.
Cashews marketed as “raw” are actually pre-cooked by steaming. True raw cashews contain urushiol, the same irritant found in poison ivy. They should only be consumed after heat treatment to avoid skin or digestive reactions.
Nutmeg, prized in gratins and desserts, becomes toxic in high doses. Two teaspoons are enough to cause hallucinations, nausea, and confusion for several days. A pinch is sufficient to enhance a dish; there’s no need to overdo it.
Every autumn, amateur mushroom hunters mistake poisonous mushrooms for edible species, resulting in dozens of serious poisonings. The golden rule: when in doubt, don’t eat them. It’s better to walk away than to risk your life.
Rhubarb is delicious in pies, but its leaves are toxic. They contain high levels of oxalic acid, which can cause severe kidney problems. Only the stalks, thoroughly peeled, are edible.
Finally, raw kidney beans contain a toxin called phytohemagglutinin. If undercooked, they can cause severe digestive problems. To eat them safely, they must be boiled for at least ten minutes before any preparation. Enjoy them, yes, but with the right precautions.
