''Aims'' To find out how cannabis came to be subject to international narcotics legislation.

''Method'' Examination of the records of the 1925 League of Nations’ Second Opium Conference, of the 1894 Report of the Indian Hemp Drugs Commission and other contemporary documents.

''Findings'' Although cannabis (Indian hemp) was not on the agenda of the Second Opium Conference, a claim by the Egyptian delegation that it was as dangerous as opium, and should therefore be subject to the same international controls, was supported by several other countries. No formal evidence was produced and conference delegates had not been briefed about cannabis. The only objections came from Britain and other colonial powers. They did not dispute the claim that cannabis was comparable to opium, but they did want to avoid …

"A small but significant overall effect size for reduced cognitive functioning in adolescents and young adults who reported frequent cannabis use."

"It became clear that it was not nicotine vaping that was implicated. Details were slow to emerge because the substances involved were in fact cartridges containing cannabis (primarily tetrahydrocannabinol or THC). These were often obtained on the illicit market, and in some cases being used by children. This meant users were reluctant to admit what they had vaped.

BBC News - EU approves the use of a medical cannabis product for epilepsy

The Indian Hemp Drugs Commission report (1894) is often highly lauded by those who approve of its recommendation in favour of the regulation and taxation of cannabis. This paper discusses the report in the light of current evidence. The Commission found that excessive ganja use could cause psychosis, but such use was rare. It recommended that cannabis should be regulated and taxed rather than prohibited, because most cannabis use did not cause harm, regulation and taxation would limit excessive use and prohibition would prevent its medical use and generate an illicit cannabis market. The report's analysis of the role of cannabis in psychosis is consistent with recent epidemiological evidence. Historical scholarship, however, raises serious doubts about the extent to which the Commission's findings on cannabis regulation were affected …

"What is the evidence base for the medical use of cannabis and cannabinoids? What is the difference between cannabis preparations and medicinal products and why is this important? How is this issue regulated in the EU? These and other questions are explored in this report which responds to growing interest in this topic as more European countries develop policies and practice in this area."

"Cannabidiol, or CBD, is a compound found in cannabis. In recent times it's began to be found on our high streets, available in everything from coffee to ice-cream to vape liquid. It's also been touted as a medication to treat a variety of health ailments, from childhood epilepsy to insomnia. In this episode Suzi is joined by researcher Dr Amir Englund from Kings College London to separate myth from evidence around what CBD is, and what it can, and can't do."

Strong cannabis linked to psychosis (FT podcast)

Psychiatrists cancel #cannabis debate after no one would argue for criminalising users

More evidence that cannabis raises psychosis risk. http://is.gd/pLKdEP

From 1896–1901, 27% of cases of insanity admitted to the Egyptian Asylum at Cairo were attributed to the abuse of hasheesh.

23% of heroin users will be dependent on it. yet number of people dependent on alcohol and cannabis are larger as more people in pop. abuse it.

about the kids nothing about the 6 million abusers here