&gt;Those who smoked pot have probably noticed the alternative or alien &#x27;voice&#x27; which appears in your head and makes you think and say funny things or think paranoid thoughts.<p>I have never experienced this. Marijuana can exacerbate existing schizophrenia or expose it. If you hear voices after consuming it, I would talk to a doctor. It can be a quite strong drug, but it does not typically cause clear, audial hallucinations. (I would more describe it as distorting and&#x2F;or decomposing the audio perception, kind of like the visuals you get from lsd. Pretty, but certainly not meaningful by itself.)<p>But, I&#x27;ve watched someone go through a psychotic breakdown when smoking weed the first time. They were not aware of their family history of schizophrenia until after that happened and they asked around. Be careful. :)