主题词：Epigenetics and DNA Methylation; Genomics, phytochemicals, and oxidative stress; Phytochemicals and Antioxidant Activities; Computational Drug Discovery Methods; Pharmacogenetics and Drug Metabolism; Natural Antidiabetic Agents Studies; SARS-CoV-2 and COVID-19 Research; RNA modifications and cancer; COVID-19 Clinical Research Studies; MicroRNA in disease regulation; Metabolomics and Mass Spectrometry Studies; Gut microbiota and health; Metabolism, Diabetes, and Cancer; Natural product bioactivities and synthesis; Drug Transport and Resistance Mechanisms; Monoclonal and Polyclonal Antibodies Research; Curcumin's Biomedical Applications; Histone Deacetylase Inhibitors Research; Phytochemicals and Medicinal Plants; Cancer, Lipids, and Metabolism; Cancer-related molecular mechanisms research; Tryptophan and brain disorders; Drug-Induced Hepatotoxicity and Protection; Diet and metabolism studies; Pharmacological Effects of Natural Compounds