**5. Conclusion**

Obesity may both contribute to the onset of T1D as being a consequence of intensive treatment with insulin, that is, good glycemic control in T1D can lead to excessive weight gain in predisposed individuals (eg relatives of T2D), IR and consequently MS. Thus, the current approach of patients T1D should happen as it is done in T2D, multifactorial with an early and intensive monitoring of lifestyle, blood glucose, blood pressure and lipids, with the aim of identifying, correcting these factors and potentially reduce the high risk for cardiovascular disease in these patients. So gain weight can accelerate the presentation and modify the initial TID phenotype as increase the cardiovascular risk factors during evolution do the disease .
