“We were in Brazil last year and the health warnings out there are apocalyptic. Colour pictures on the packet of hideous things—deformed babies, pickled lungs and stuff. And the warnings … None of that polite ‘Her Majesty’s Government’ stuff. Or ‘The surgeon general has determined.’ They tell you which bits will drop off. There was this guy who went into a shop and bought a packet of … I forget which brand. And he comes out, looks at the health warning, goes back in, hands the packet back and says, ‘These ones make you impotent. Can I have a packet that gives me cancer?’ ”

