User characteristics and effect profile of Butane Hash Oil: An extremely high-potency cannabis concentrate.

@article{Chan2017UserCA,
  title={User characteristics and effect profile of Butane Hash Oil: An extremely high-potency cannabis concentrate.},
  author={Gary C K Chan and Wayne D Hall and Tom P Freeman and Jason A Ferris and Adrian B Kelly and Adam R. Winstock},
  journal={Drug and alcohol dependence},
  year={2017},
  volume={178},
  pages={32-38}
}
BACKGROUND Recent reports suggest an increase in use of extremely potent cannabis concentrates such as Butane Hash Oil (BHO) in some developed countries. The aims of this study were to examine the characteristics of BHO users and the effect profiles of BHO. DESIGN Anonymous online survey in over 20 countries in 2014 and 2015. Participants aged 18 years or older were recruited through onward promotion and online social networks. The overall sample size was 181,870. In this sample, 46% (N=83… CONTINUE READING
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