Zuruahá language
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Zuruahá (also called Suruaha, Suruwaha, Zuruaha, Mndios do Coxodoais, Mndios do Coxodoá) is an Arauan language spoken in Brazil by about 130 people.
Daniel Everett reports that after first contact with the outside world, many Zuruahá, including eight in a day, have begun to commit suicide by drinking curare.[1]