Since about 20 years, smoking mixtures, such as Spice or K2, have become popular alternatives for cannabis. These smoking mixtures contain synthetic cannabinoids, which are reported to cause more psychological problems and stronger behavioral impairment. However, comparing the effects of synthetic cannabinoids with natural cannabis has been problematic due to the differences in pharmacological properties… Continue reading A comparison of acute neurocognitive and psychotomimetic effects of a synthetic cannabinoid and natural cannabis at psychotropic dose equivalence