Marijuana Inhalation Associated With Spontaneous Tumor Regression

  • According to a pair of case reports to be published in Child’s Nervous System, the official journal of the International Society for Pediatric Neurosurgery, cannabis inhalation is associated with spontaneous brain tumor regression in two subjects.

    The mitigation of residual tumors in two adolescent subjects who regularly inhaled cannabis was documented by investigators at the British Columbia Children’s Hospital in Vancouver. It was determined by the authors that both subjects experienced a “clear regression” of their residual brain tumors over a three-year-period.

    “Neither patient received any conventional adjuvant treatment” during this time period, investigators wrote. “The tumors regressed over the same period of time that cannabis was consumed via inhalation, raising the possibility that cannabis played a role in tumor regression.”

    Researchers concluded, “Further research may be appropriate to elucidate the increasingly recognized effect of cannabis/cannabinoids on gliomas (brain cancers).”


    Spontaneous regression of septum pellucidium/forniceal pilocytic astrocytomas – possible role of cannabis inhalation-Child’s Nervous System

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