Tag: psychosis

  • Does marijuana hurt or help your brain? Scientists rush to study the drug's impact | Miles O'Brien Productions

    Does marijuana hurt or help your brain? Scientists rush to study the drug’s impact

    As national attitudes and laws around cannabis use have evolved, so have the commercially grown strains of the plant. Some marijuana varieties today contain levels of THC, the drug’s psychoactive compound, as high as 50 percent, compared to around 5 percent a generation ago. But as PBS NewsHour science correspondent Miles O’Brien reports, the effects…

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