<story><title>How do people learn to cook a poisonous plant safely?</title><url>https://www.bbc.co.uk/news/business-48859333</url></story><parent_chain><item><author>nabla9</author><text>Shamans eat  mushroom (Amanita muscaria) to get  hallucination trip. Multiple toxins in the mushroom cause severe side-effects that spoil the trip, including severe headaches that last 10 hours. Instead of eating the mushroom directly, they fed it to reindeer and then drank its urine reducing the amount of toxins.&lt;p&gt;Imagine the process that led to the discovery of this process.</text></item></parent_chain><comment><author>eggoa</author><text>Seems like the kind of process you&amp;#x27;d come up with while tripping on hallucinogenic mushrooms.</text></comment>
<story><title>How do people learn to cook a poisonous plant safely?</title><url>https://www.bbc.co.uk/news/business-48859333</url></story><parent_chain><item><author>nabla9</author><text>Shamans eat  mushroom (Amanita muscaria) to get  hallucination trip. Multiple toxins in the mushroom cause severe side-effects that spoil the trip, including severe headaches that last 10 hours. Instead of eating the mushroom directly, they fed it to reindeer and then drank its urine reducing the amount of toxins.&lt;p&gt;Imagine the process that led to the discovery of this process.</text></item></parent_chain><comment><author>sn41</author><text>Even in the present day, civet coffee [seeds from the excrement of civets who had eaten coffee berries] is used for its milder taste. [1]&lt;p&gt;Not really related to food, but urine was used in leather tanning etc. I read about this in the book &amp;quot;Eskimo Life&amp;quot; [1893] by Fridtjof Nansen, the famous explorer. [2] It is not unusual to have used animal urine and excrement for various purposes.&lt;p&gt;[1] &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;en.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Kopi_luwak&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;en.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Kopi_luwak&lt;/a&gt;&lt;p&gt;[2] &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.gutenberg.org&amp;#x2F;files&amp;#x2F;46972&amp;#x2F;46972-h&amp;#x2F;46972-h.htm&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.gutenberg.org&amp;#x2F;files&amp;#x2F;46972&amp;#x2F;46972-h&amp;#x2F;46972-h.htm&lt;/a&gt;</text></comment>