主题词：Metabolism and Genetic Disorders; Folate and B Vitamins Research; Biochemical and Molecular Research; Nitric Oxide and Endothelin Effects; Tryptophan and brain disorders; Amino Acid Enzymes and Metabolism; Peroxisome Proliferator-Activated Receptors; Cytomegalovirus and herpesvirus research; Chemical Reaction Mechanisms; Porphyrin Metabolism and Disorders; Cancer, Hypoxia, and Metabolism; Neonatal Health and Biochemistry; Cancer, Lipids, and Metabolism; Pharmacological Effects and Toxicity Studies; DNA and Nucleic Acid Chemistry; Stress Responses and Cortisol; Neutrophil, Myeloperoxidase and Oxidative Mechanisms; Liver Disease Diagnosis and Treatment; HIV/AIDS drug development and treatment; RNA regulation and disease; Blood disorders and treatments; HIV Research and Treatment; Inflammatory Biomarkers in Disease Prognosis; Diet and metabolism studies; Hemoglobinopathies and Related Disorders