Early research focused on keywords such as “cardiovascular disease,” “glucagon secretion,” and “pancreatic secretion.” More recent studies concentrate on themes like “oxidative stress,” “peripheral neuropathy,” and “Alzheimer’s disease.” The keyword burst detection has shown that “bone turnover” and “peripheral neuropathy” are keywords that have continued to burst up to the year 2023 (Figure 10). Here, GCG is linked to Alzheimer disease.