There is accumulating evidence of dietary impact on several metabolic parameters. Unhealthy diets are estimated to be responsible for about 20% of the deaths worldwide. The recommendation is to improve the dietary pattern, aiming to prevent further harm. In this context, we reviewed the benefits and barriers of withdrawing from continuous obesogenic diet intake in the short- and long-term, which were found in rodent models. Although dietary modifications demand a re-establishment of the equilibrium, withdrawing was seen as a homeostatic insult and thus elicited several responses to protect the organism. In the short-term, withdrawal presented stressful and reward destimulating responses. The intake of obesogenic diets presented rewarding and stress destimulating responses. Whereas withdrawing in the long term ameliorated several biological functions and histopathologic features, it was not effective at reestablishing food intake and normalizing feeding behaviors or reward pathways. Altogether, terminating obesogenic diet intake does not immediately extinguish all negative consequences, and it even elicits brain behavioral and metabolic modifications. These modifications can hinder the maintenance of habits' change and prevent reaching the long-term benefits of diet improvement.
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http://dx.doi.org/10.1152/ajpendo.00174.2020 | DOI Listing |
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