From the huts of South America to the fitted kitchens of suburbia: The 'kambo' frog poison promises to flush toxins and leave users free from anxiety. But with cut-price ceremonies by social media 'shamans', you'll be taking your life in your own hands...

Julie lunges forwards to grab a plastic bucket in front of her. She isn't suffering from a big night out. She has paid £150 so she can be poisoned with toxic secretions from an Amazonian tree frog.

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