Festivals such as Tomorrowland and Dour offer a stage to new artists and new designer drugs. There were never so many. Bags with special K, Pink Powder of Crack are now eagerly going around on the meadows, but all those powders and pills also come with new dangers, warns toxicologist Jan Tytgat. Seven new names you need to know with their greatest risks: “You need little of this to end up in a coma.”

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