How humans developed from our Homo erectus ancestors, doubling our brain capacity within a space of around 200,000 years - which in evolutionary terms is the blink of an eye - is one mystery that people have sought to find an answer for.

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He thought that when the environment in Africa changed, Homo erectus was compelled to seek out new food sources, such as magic mushrooms. The impacts of the mushrooms caused Homo erectus's thinking processes to rearrange quickly.He thought that when the environment in Africa changed, Homo erectus was compelled to seek out new food sources, such as magic mushrooms. The impacts of the mushrooms caused Homo erectus's thinking processes to rearrange quickly.
https://www.sciencetimes.com/articles/41518/20221225/stoned-ape-theory-explained-is-this-hypothesis-on-evolution-valid.htm

(neviem či dobré fórum, ale zaujímali by ma názory)