A gadet which sort of looks like an iPod claims to "curb your appetite" by sending electrical pulses to the brain has hit the shelves. The £99 Food Watcher is worn at meal times and produces a tingling feeling in the ears.
Makers claim these low-level pulses stimulate the nerve in the brain which is responsible for triggering hunger pangs - tricking the stomach into thinking it is full.
Brain chemistry expert Dr Bob Lister, of London Metropolitan University, ran tests of the device for manufacturer Microcurrent. He said: "In trials it did suppress appetite.
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