Have you ever tried to diet or give up a bad habit? Perhaps you've tried to stop smoking or simply wondered why we desire things that are bad for us. If so, some of the answers you've been craving are in this episode of the St George's, University of London podcast.

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In this podcast we talk to two of our experts about the science behind craving. Dr James Erskine, senior lecturer in psychology and behavioural medicine talks about his work with dieting and craving and asks why we often do things like over-eating when we really don't want to. His experiments with chocolate were of particular interest for this episode!

Professor Michael Ussher continues the discussion with his world-leading research on the science behind smoking and both St George's, University of London experts show that solving these cravings and problems are key to improving health around the world.

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