Raw cashews contain urushiol, the same toxin found in poison ivy or poison oak.
However, cashews labeled as raw at the grocery store have been shelled and heat-treated to remove any urushiol residue, making them safe.
Note: Mango skin also contains urushiol.
Not worth the trip
Nutmeg is a punchy spice that contains myristicin, a compound that affects the nervous system. In large doses, it can cause hallucinations, nausea, rapid heartbeat, and seizures. Only two teaspoons can trigger severe symptoms that last for days – “though in some cases psychosis has set in for up to six months,” a study claims.
Used in small amounts, nutmeg enhances flavor in desserts and drinks. But excessive consumption turns this holiday spice into a toxic experience.
Fatal fungi
Some wild mushrooms, like the death cap that claimed the life of Pope Clement VII in 1534, contain toxins that cause organ failure and death.
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