A study claims that paleolithic artists visited cave system to deprive themselves of oxygen and experience hallucinations.
Source: Study Suggests Ancient Cave Painters Deprived Themselves Of Oxygen To Get Hallucinatory Visions
A study claims that paleolithic artists visited cave system to deprive themselves of oxygen and experience hallucinations.
Source: Study Suggests Ancient Cave Painters Deprived Themselves Of Oxygen To Get Hallucinatory Visions
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