OBJECTIVES: Describe characteristic use of cannabis and tobacoo. CASE
REPORT: A young couple were nicotine-dependent smokers who also regula
rly used cannabis. After treatment for nicotine withdrawal they no lon
ger had a craving for cigarettes but use of hashish increased. DISCUSS
ION: Although illegal in France, consumption of cannabis has become co
mmonplace. Short-term risk may be low but the liposolubility of halluc
inogenic tetrahydrocannabinol retards elimination leading to the risk
of neuropsychiatric disorders after chronic, or even episodic use.