The legal status of cannabis for personal use is one of the most controversial policy issues in the European Union. Although cannabis is a classified narcotic drug placed under control by the United Nations and by all EU Member States, the measures adopted to control it at national level vary considerably, as shown in the table, click here to access the information country by country.
Marijuana has been shown to have both anxiolytic (anti-anxiety) effects and to induce anxiety and psychosis in certain people. In schizophrenics, it can increase symptoms, and in healthy people it can increase the risk of schizophrenia. Now, new study shows that the two active ingredients in pot, Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD) may have quite opposite effects on the brain – and behavior – and could explain why pot’s effects can be unpredictable.
New research finds that the two main ingredients in marijuana have opposing effects on it. The study examined 15 normal men who had previously smoked cannabis only a few times. Researchers exposed the men to each of the two most psychoactive ingredients in marijuana — delta-9 tetrahydrocannabinol (THC) and cannabidiol (CBD) and compared their effects with those of a placebo while the participants performed a mental task.