For many of us, eating particular foods can be comforting: a pick-me-up during a hard task; a reward after a long day at work; a satiating end to a lovely dinner.

But some people have a compulsive and uncontrolled urge to eat particular foods, especially hyper-palatable “junk” foods. This can impact on their day-to-day functioning, and their ability to fulfil social, work or family roles.