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PBS News Hour
Synthetic drugs, an unknown grab-bag of toxic chemicals
The synthetic drug Spice is known as "fake pot," but its effects are completely different from marijuana. The hard-to-detect substances are often made in foreign facilities with an ever-changing cocktail of chemicals, meaning you can never be sure of what you're taking. This year, poison control hotlines have seen a record number of calls across the country. William Brangham reports.
