Addiction: Why Do Some People Succumb to it? - a podcast by BBC World Service

What happens when the biochemistry of the brain’s pleasure and reward system goes wrong? How can something that starts off being pleasurable end up making us feel so low? Mike Williams talks to scientists and former addicts to search for some answers to the power of addiction.

(Photo: Collection of different hard drugs heroin, pills, tobacco and alcohol. Credit: Shutterstock)

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