(BBC News) As America’s opioid and heroin crisis rages, some struggling with addiction are turning to a drug illegal in the US. Jonathan Levinson went to one clinic offering the treatment in Mexico.

At the end of a dead end street in a town near the US-Mexico border, Emily Albert is in the basement of a drug treatment clinic, hallucinating about her son as a heroin addict. She imagines him going through rehab and desperately trying to get clean.

But Albert is the one with the addiction. She’s in the middle of a psychedelic treatment for opioid addiction.

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