Ghrelin, a natural GH secretagogue produced by the stomach, induces hyperglycemia and red-uces insulin secretion in humans. - Broglio,F.; Arvat,E.; Benso,A.; Gottero,C.; Muccioli,G.; Papotti,M.; Lely,AJ Van Der.; Deghenghi,R.; Ghigo,E. (J Clin Endocrinol Metab, 2001)