Serotonin: Chemistry in its element

Serotonin, the 'happy molecule', may be at the root of depression, but Hayley Birch finds we still have a lot to learn
02 October 2013
Presented by Meera Senthilingam

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Serotonin, the 'happy molecule', may be at the root of depression, but Hayley Birch finds we still have a lot to learn

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