Contaminated Street Cannabis Poses Serious Health Risks

Recent research has unveiled startling findings regarding the safety of street cannabis in the UK. A joint study conducted by Manchester Metropolitan University and Curaleaf Clinic analyzed 60 police-seized cannabis samples from Greater Manchester and Northumbria, revealing that an alarming 90% were contaminated with hazardous substances.

The contaminants discovered include dangerous levels of mould, yeast, lead, E. coli, and salmonella, raising serious health concerns. Specifically, the study indicated that 8% of the samples contained lead, while 2% were found to be tainted with E. coli and salmonella. Further independent testing identified synthetic cannabinoids like Spice and K2 in 27% of the samples, underscoring the significant risks associated with illegal cannabis use.

Health experts are gravely concerned these contaminants may lead to serious health issues, including respiratory problems, neurological damage, and gastrointestinal infections. The study coincided with a survey of 500 drug users conducted by Curaleaf Clinic, which revealed that nearly two-thirds of illegal cannabis purchasers are trying to manage various medical conditions, such as:

• Anxiety (49%)
• Depression (49%)
• Chronic Pain (28%)

In a further exploration of public awareness, a separate study involving 2,000 adults found that only 46% were aware that medical cannabis is legal and available through specialist prescriptions. Alarmingly, over 10% of respondents admitted to purchasing cannabis via the dark web, online retailers, or QR code stickers disseminated by dealers.

Dr. Simon Erridge, research director at Curaleaf, emphasized the importance of awareness regarding the hidden dangers associated with illegal cannabis use, especially for vulnerable individuals seeking relief from health conditions that might be worsened by hazardous contaminants.

The findings are particularly concerning given that 18% of illegal cannabis users are unaware that their products may contain harmful substances. Additionally, a staggering 66% of users fail to recognize mould-contaminated cannabis, a glaring testament to the need for better education and information surrounding this issue.

The Need for Safe Alternatives

Dr. Erridge also advocated for the use of legal and regulated alternatives to cannabis, highlighting that laws have changed in the past six years, allowing patients access to quality-tested medical cannabis products for chronic illnesses that have not responded to conventional treatments. He warned, “Many people are putting themselves at risk when they don’t need to.”

To combat this growing issue of contaminated cannabis, Curaleaf has launched a public health campaign titled “What Are You Smoking?” aimed at educating the most vulnerable demographics about the dangers of illegal cannabis. This campaign has seen billboards displaying the study’s findings placed in known drug dealing areas, using data obtained through a Freedom of Information request.

To further raise awareness, an ‘ad van’ has been deployed, visiting locations such as Tower Hamlets and Lambeth in London, with plans to travel to Manchester Piccadilly and Merseyside. In addition, biodegradable QR code stickers that link to vital information about the risks of unregulated cannabis have been placed in these hotspots, echoing tactics typically used by street dealers.

Dr. Oliver Sutcliffe, a senior lecturer at Manchester Metropolitan University, expressed that the goal of the study is to provide essential insights that empower consumers to make safer choices. He indicated that the findings serve as a critical reminder of the importance of ongoing education and vigilance in safeguarding public health.