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An example of this rumor was collected via email in January 2015: When dozens of mourners at a funeral in Tete, Mozambique, passed away after drinking a contaminated batch of phombe in January 2015, speculation arose that the local homemade beer had been spiked with poisonous crocodile bile: Carle Mosse, the province's health director, said it was suspected that the poisoning had been caused by crocodile bile although this had yet to be confirmed in tests. It was not immediately clear how the beer had been contaminated and whether it was intentional. The woman who brewed the beer and several members of her family were among the victims, Radio Mozambique has reported. Stories about the supposedly poisonous powers of crocodile bile have been circulating for decades. According to Professor N.Z. Nyazema of the Department of Clinical Pharmacology at the University of Zimbabwe, witches in the 1800s were accused of using bile from the gall bladders of crocodiles to make a poison known as nduru. Nyazema penned an article titled Crocodile bile, a poison: myth or reality? for Central African Journal of Medicine in 1984 explaining how the poison may have been used: While Professor Nyazema's account mirrors the events that transpired in Mozambique in January 2015 (with the notable exception the above-quoted article references the poisoning of a single person while the events in Mozambique would have required enough poison for close to one hundred people), the lethal powers of crocodile bile have yet to be proved. In fact, after learning about nduru, Nyazema conducted his own tests to determine the toxicity of crocodile bile: Using ten crocodile gall bladders, twenty mice, and a baboon, the professor determined the bile of a crocodile was not particularly lethal. Hans Dieter Neuwinger came to a similar conclusion in his book African Ethnobotany: Poisons and Drugs: Chemistry, Pharmacology, Toxicology, writing that crocodile bile was virtually non-poisonous. Additionally, a study presented at the World Crocodile Conference in 2013 concluded freeze-dried crocodile bile was safe for human consumption: Furthermore, Christian Lindmeier, a spokesman for the World Health Organization, said it is not uncommon for locals to add bile to poor quality beer: The use of bile is not uncommon in the production of local or poor quality beer but is not known to be toxic to the extent this outbreak shows. If crocodile bile really is as harmless as professor Nyazema, researcher Hans Dieter Neuwinger, and WHO spokesman Christian Lindmeier make it out to be, then where did this fear begin? Forbes science writer David Kroll noted on 12 January 2015 while crocodile bile was the main ingredient in the poison nduru, it was likely mixed with other toxic plants: Crocodile bile, like bat whiskers, the hair of a black cat, a pinch of gargoyle sweat, eye of newt, and troll teeth, does not appear to be deadly on its own.
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