Impaired glucose tolerance is associated with postganglionic sudomotor impairment.
Grandinetti A, Chow DC, Sletten DM, Oyama JK, Theriault AG, Schatz IJ, Low PA. Impaired glucose tolerance is associated with postganglionic sudomotor impairment. Clin Auton Res. 2007 Aug; 17(4):231-3.