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Old 10-18-2008, 11:51 PM   #17
Yael Grauer
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Thee are also other things at play, too. For example social relations change brain chemicals like dopamine, serotonin, opiates, etc. Dopamine may be triggered by eating but it is also triggered by succeeding at something. Being bullied or chronically teased reduces serotonin. Puberty depletes dopamine and serotonin. Lack of exercise reduces serotonin and dopamine, etc.
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