Concerning kif, a Cannabis sativa L. preparation smoked in the Rif mountains of northern Morocco

The aim of the present paper is to present information about a kif preparation smoked by the Moroccan population. Results are considered as an advance of our actual investigations undertaken in the Rif zone to observe an improvement in night vision after smoking kif [Ethan et al., 2002. International Cannabinoid Research Society (ICRS) meeting, in preparation]. (C) 2002 Published by Elsevier Science Ireland Ltd.