Visitors staying at ‘healing retreats’ bring vital income to the diverse cultures of the region, writes Enrico Malatesta, while Emily Webster says there is no need to leave the UK to find shamanic healing. Plus, a letter by John LowrieYour article (‘Ayahuasca tourism’ is a blight on Indigenous peoples and our environment, 17 June) brings up important concerns but it looks at a complicated issue too narrowly. It is worth remembering that the word “ayahuasca” itself is not a modern invention, but...