Its not clear to me that the study disproves that kids do not get a rush from sugar: "Dr. Tamborlane, also from Yale, reported that children given sugar had hi

Its not clear to me that the study disproves that kids do not get a rush from sugar: "Dr. Tamborlane, also from Yale, reported that children given sugar had higher levels of adrenaline." I'm not an expert in human biology but doesn't adrenaline increase activity?