benzocaine
How the UK's Coke Got So Strong
Independent drugs testers say cocaine purity is as high as 80 percent at street level in major cities.
I Walked Around a Music Festival Asking to Test People's Drugs
Some pills were relatively pure, but other samples were duds or cut with dangerous chemicals.
There's Not Much Actual Cocaine in British Cocaine
London is the coke capital of Europe, but the drug is often heavily cut with dangerous substances before it's sold to users.
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