Regional cerebral blood flow in long-term heavy cannabis use.

  title={Regional cerebral blood flow in long-term heavy cannabis use.},
  author={K Tunving and S O Thulin and Jarl Risberg and Siegbert Warkentin},
  journal={Psychiatry research},
  volume={17 1},
Regional cerebral blood flow (rCBF) was measured by the 133Xenon inhalation method in nine male chronic cannabis users. The rCBF level in cannabis users was significantly (11%) lower than that of age- and sex-matched healthy controls. Four of the subjects were reexamined after 9-60 days of detoxification and showed a significant (12%) increase of the CBF level at followup. No significant regional flow abnormalities were noted. The global CBF reduction seen in the early phase of detoxification… CONTINUE READING