A dangerous new substance that’s used as an anti-worming agent has been found in recent cocaine samples taken by Swiss researchers, according to a report by Big Think.

Cocaine is the second-most popular drug worldwide, and it’s almost always “cut” with another drug or substance so that the drug is more profitable. In some cases, medications like fentanyl are added to cocaine to make it more addictive – but it’s also more dangerous. Usually, it’s baking soda or ammonia that’s added with the simple goal of thinning out the drug content.

Now, however, two studies from the University of Zurich (UZH) discovered that levamisole, a powerful animal anti-worming agent, has been turning up in the cocaine supply. Scientists speculate that it is being used by chemists to make the effects of cocaine last longer.

It’s also possible that it’s leaving brain damage in regular cocaine users. The long-term effects …