Médicos del Departamento de Agricultura de Estados Unidos firman este artículo, donde se señala que una o dos copas al día parecen ayudar a responder mejor a la insulina. Las bebedoras moderadas presentan asimismo menores niveles de insulina en sangre, lo que implica un menor riesgo de desarrollar la enfermedad.
El estudio se hizo con 51 mujeres posmenopáusicas sanas, que pasaron por turnos por distintos períodos para no beber alcohol, beber una copa al día o dos copas, además de seguir una dieta hipocalórica.
Se comprobó que los niveles de insulina eran casi un 20% inferior tras haber consumido dos copas que cuando no habían bebido alcohol.
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