But for the men exposed to this toxin, there was also an underlying change in their health. Sometimes their memory was shot—their thinking often completely illogical. Their nerves and impulses could be jumpy and unpredictable. It could feel like their limbs were numb, or worse, on fire. The man from Maryland continued to dress in combat clothes and heavy black boots, as though any minute now he was going to be shipped back to the jungle. Everyone had read the stories about the terrible mist he had helped spray all across Vietnam. Hundreds of thousands of Vietnamese people died from Agent
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