Among all the keywords, “Parkinson’s disease” shows the strongest correlation with “Oxidative stress.” Furthermore, “Parkinson’s disease” was also strongly correlated with “Alzheimer’s disease,” “Lipid peroxidation” and “Glutathione peroxidase 4.” This finding underscored the current research focused on investigating the relationship between PD and other neurodegenerative disorders. This evidence concerns the gene GPX4 and Parkinson disease.