So hypoglycemia means a low concentration of glucose inside our blood. Now, what exactly causes a low concentration of glucose inside our blood? Well, one reason might be because of the overstimulation of the beta cells. So if the beta cells of the pancreas are over stimulated, that means they will produce too much insulin. And if we have too much insulin inside our bloodstream, that means too much of the glucose will be transported into our cell, and that will lower the concentration of glucose below the normal. And the concentration of glucose inside the blood that is characteristic of hypoglycemia is 70 milligrams per deciliter or below.