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  1. 2016-10-18 Cory Thede, working on the north coast of Haiti, sent a note about a local chaya plant with a lower branch that mutated to a wild stinging type. He commented, “After I backed up against it, it gave me an itchy rash on my arm for about a week. The upper branch is regular and almost spineless.” He...  
  2. 2016-01-25 Some tropical crops contain cyanogenic glycosides, toxic substances that release hydrocyanic acid (HCN; also referred to as cyanide or prussic acid) when cells are crushed. Consuming these plants without cooking them can cause cyanide poisoning, with varying effects depending on cyanide levels...  

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