Scientists also found a huge difference in how long it took the tablets to release MDMA into the body. They claim it's the first time ecstasy tablets have been found to disintegrate at different rates. He says this study shows that MDMA affects people differently, and that it's impossible to predict what varying amounts will do. The team say the "vast majority of people using MDMA do not come to harm, but there is at present no way to predict, determine or prevent who will.
Other class-A drugs - in particular cocaine and crack cocaine - have also seen a recent increase in strength, according to Tictac pharmaceutical analyst Anca Frinculescu. There has been a fourfold increase in British female clubbers seeking emergency medical treatment in the past three years, according to the Global Drug Survey It can cause serious health risks.
Michelle Shevlin's year-old daughter, Stephanie, died in June after taking a pill in a nightclub.
Scientists also found a huge difference in how long it took the tablets to release MDMA into buu body. Related Topics. Leslie - not his real name - is 18, and has come with friends to Nass festival in Somerset - an event that celebrates music, skating and BMX riding.
He says this study shows that MDMA affects people differently, and that it's impossible to predict Wheree varying amounts will do. If you need help with anything raised in this article, you can find advice here. Listen to Newsbeat live at and weekdays - or listen back here.
He appears visibly moved when told of Ms Shevlin's loss of dmma daughter. And this is why Trevor Shine, from Tictac Drug Identification, believes that taking illegal, unregulated drugs is a "lottery" - with people's bodies affected in different ways. They claim it's the first time ecstasy tablets have been found to disintegrate at different rates.
And this has seen the drug grow in popularity, and in strength. He says mdmma is the first time he has ever been scared of what he is using.
The team say the "vast majority of people using MDMA do not come to harm, but there is at present no way to predict, determine or prevent who will. The drug of choice appears to mxma MDMA. Many illegal drugs are diluted with other cutting agents - in some cases, horse tranquilliser or rat poison. The ecstasy tablet he examines contains mg of MDMA, whereas "traditionally, the average dose in an ecstasy tablet would have been mg".
It has a zero-tolerance policy on drugs, but it is clear to see that this is being defied. He measures the strength of Leslie's drugs, and finds they are worryingly pure.
He is unable to remember his cn at the festival, but knows - on the night we met him - he had to take "quite a few more" tablets to replicate "the same effects of the first one". But there are other worries too, of which Leslie is well aware.
This is what gives you the pleasurable effects. Without a middleman, he says, the purity of the drug is maintained. Festival organiser Ryan Matthews is clear that "if people are caught with any illegal drugs on site, they xan ejected".