Nick, a character in “Fear the walking dead” was given a piece of brain stem to get high, here is part of an article explaining its meaning, and how andrenochrome is real but effects are controversial.
“Some fans said this episode bore some resemblance to Fear and Loathing in Las Vegas, because of the portrayals of drug use, and that was likely part of the inspiration for the drug that Nick and Troy took. The drug at issue is called “adrenochrome.” Hunter S. Thompson mentions it in his book, “Fear and Loathing in Las Vegas,” and the drug also appears in the movie. In the fictional portrayals, it’s a drug that is taken from the human adrenal gland. However, the effects of the drug were made up.
Terry Gilliam and Thompson admitted in the DVD commentary that Thompson’s portrayal was a fictional exaggeration. Gilliam, in fact, insisted the drug was entirely fictional, possibly not knowing about a substance with a similar name.
Adrenochrome refers to a chemical compound produced by the oxidation of adrenaline. It can also be synthesized by the oxidation of epinephrine. Small scale studies in the 1950s and 1960s that only involved about 15 test subjects or fewer claimed that adrenochrome could trigger psychotic reactions, derealization, and euphoria. However, those studies were far too small to be deemed reliable. Today, scientists don’t believe that adrenochrome has any psychedelic properties.”
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