Key words (GIP [glucose-dependent insulinotropic polypeptide, glucose-dependent insulinotropic peptide, or gastric inhibitory polypeptide] and (atherosclerosis, restenosis, heart, artery, inflammation, adipose tissue, endothelial cell, smooth muscle cell, monocyte, macrophage, adipocyte, and desensitization) have been used to select the articles. Here, GIP is linked to atherosclerosis.