Specific keywords, such as "palumboism," "bodybuilder gut," "steroid gut," "HGH gut," "insulin gut," "bubble gut," "muscle gut," "abdominal distension," "abdominal organomegaly," "visceral adiposity," "abdominal obesity," "anabolic steroids," and "growth hormone," were employed to retrieve relevant articles. The gene discussed is INS; the disease is Abdominal obesity.