The central and peripheral serotonergic pathway is affected differentially by both the type of diet consumed and the duration for which the diet is consumed. The hypothalamic, striatal and plasma serotonergic pathway were altered both by the type of feed consumed and the duration of feeding. The urine serotonergic pathway was affected by mainly the duration for which a particular diet was consumed. These findings may have implications in the feeding behavior, cognitive decline and depression associated with metabolic syndrome patients.

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