Critics of the globalWar on Drugsregularly point out that narcotics tend to be more dangerous when they are illegal , as their production and sale is not subject to any regulation or calibre control . This means that citizenry often have no idea what they are really flummox when they buy drugs from a street dealer . New data point shows that a quarter of all drugs purchase in the UK contain substances other than those publicize .

Due to be issue this workweek in theBritish Journal of Clinical Pharmacology , the raw study give way down findings obtained by a non - profit organization calledThe Loop , which provides drug - checking at festivals and cabaret so that users can see what ’s in their drug before deciding whether to take them .

trial run were take out over five days in Bristol and Durham , which the study authors describe as “ contrasting city ” due to their demographic and economical profile . A sum of 171 drug tests were carried out , with classic unpaid drug likeMDMA , cocain , and ketamine making up 69 percentage of these .

Results showed that 24 pct of drugs handed in for examination were not what they were supposed to be , with some MDMA samples being plant to turn back anti - malaria medication , while some cocaine sample dwell of baking soda and caffeine .

A numeral of highly dangerous adulterator were also witness in many drugs , with substances likepentylonesold as MDMA . While pentylone does produce effect that are similar to those of MDMA , it tends to last for a much shorter time , meaning the great unwashed end up taking more of it . Yet redosing also increases the amount of metre that it take for pentylone to bring in the consistence , resulting in a range of unwanted side effects such as insomnia .

Drug user were given the opportunity to speak to health professionals for advice after receiving the results of their tests , with just under 30 percent of those involved in the study determine to lower their dose , while about one in 10 prefer to cast out of their drugs altogether .

In addition , the discovery of grievous adulterant allowed organizers to spread substance on societal media warning people about polluted batches of drugs .

The Loop first set about offering drug tests at festivals in the UK in 2016 , resulting in a95 percent decrease in drug - related deathscompared to the previous year at these outcome . However , opponent of the schema have argue that this religious service only encourages drug use , which is why it has n’t been widely take in .

Yet with drug - related deaths presently at their highest ever level in the UK , harm reductionists are now calling for more drug tick off readiness at festival and nightclubs .