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When we analysed these participants’ crack use histories over time, a pattern emerged: significant increases in cannabis use during periods when they reported they were using it as a crack substitute, followed by decline in the frequency of crack use afterwards.As in our study, in Brazil cannabis use peaked during the first three months of follow-up, with only occasional use of cannabis reported in the six months after that.First, we asked participants if they had substituted one drug for another in order to control or slow down their consumption. Public health officials in BC are warning that fentanyl has been detected in many drugs circulating on the illicit market, including crack cocaine.

These were the subjects included in our analysis, contributing to a total of 620 interviews over three years. Its consumption, either through smoking or injection, is not necessarily deadly.Other research has shown that long-term cannabis dependence might increase cocaine cravings and risk of relapse. We found that people who intentionally used cannabis to control their crack use showed a marked decline in crack consumption, with the proportion of people reporting daily use dropping from 35% to less than 20%.(This article originally appeared in The Conversation Global). Individuals in these cohorts were recruited through snowball sampling and extensive street outreach in the Downtown Eastside and Downtown South areas. These are poor areas where crack is common among people who use drugs.Despite the estimated 14 to 21 million cocaine users high speed injection molding machine worldwide, the majority of whom live in Brazil and the United States, scientists have yet to find an effective medical treatment for helping people who wish to decrease problematic use of the drug.New study shows that opioid overdose can be avoided with assistance from regulated marijuana use Crack can cause a host of harm from cuts to transmission of HIV on using shared pipes (Photo: Pixabay) North America is in the midst of a drug overdose disaster.Research done by the BC Centre on Substance Use in Vancouver shows that using cannabis may enable people to consume less crack.Qualitative studies in Jamaica and Brazil also indicate that crack users frequently self-medicate with cannabis to reduce cravings and other undesirable effects of crack.If misused, though, crack can certainly cause health harms, including cuts and burns from unsafe pipes. Now these obstacles are beginning to disappear, enabling our team to better understand and unlock the therapeutic potential of cannabinoids.

A total of 122 participants (49 from VIDUS, 51 from ACCESS, and 22 from ARYS) reported that they had done so at least once in the last six months. In British Columbia, Canada, where nearly 1,000 people died of overdose in 2016, officials have declared a public health emergency.We used harmonised procedures for recruitment, follow-up and data collection.Canada’s recent move to legalise and regulate marijuana should facilitate this work.Cannabis-assisted treatmentNow Canadian scientists are working on an unconventional substitution for it. For decades, stigma and prohibition have blocked rigorous scientific evaluation of cannabis. They were the Vancouver Injection Drug Users Study (VIDUS); the AIDS Care Cohort to Evaluate exposure to Survival Services (ACCESS); and the At-Risk Youth Study (ARYS). In the long run, frequent and heavy crack consumption may contribute to psychological and neurological complications.Building on the finding from this preliminary study, the BC Centre on Substance Use is planning more research to confirm whether using cannabis might be an effective strategy for people seeking to reduce their use of crack or other stimulants, either as harm reduction or as treatment.

Data for this study, which was recently presented at the Harm Reduction Conference in Montreal, were drawn from three open and ongoing prospective cohorts of more than 2,000 people who consume drugs (not necessarily just stimulants).While over-prescription of painkillers and contamination of the illegal opioid supply by fentanyl, a potent synthetic analgesic, are at the heart of the problem, opioid users are not the only ones at risk. Sharing pipes can also transmit infectious diseases such as HIV and hepatitis C.The possibility of opioid overdose is an unusual new threat for people who use crack, which is a stimulant.Self-medicationOur findings are in line with a smaller case-series study in Brazil that followed 25 treatment-seeking individuals with problematic crack use who reported using marijuana to reduce cocaine-related craving symptoms. Rather than contradict findings from Canada, Brazil and Jamaica, these discrepancies suggest that patterns of cannabis use and dependence, and the timing of self-medication with cannabis, may play a role in individual outcomes. Could marijuana become to crack what methadone is to heroin – a legal, safe and effective substitute drug that reduces cravings and other negative impacts of problematic drug use?Between 2012 and 2015, our team surveyed more than 100 crack cocaine users in the city’s Downtown Eastside and Downtown South neighbourhoods. Over a nine-month follow-up period in that study, conducted by Eliseu Labigalini Jr, 68% of participants had stopped using crack