主题词：Nutrition and Health in Aging; Clinical Nutrition and Gastroenterology; Nutritional Studies and Diet; Diet and metabolism studies; Body Composition Measurement Techniques; Fatty Acid Research and Health; Obesity, Physical Activity, Diet; Muscle metabolism and nutrition; Child Nutrition and Water Access; Antioxidant Activity and Oxidative Stress; Diverse Scientific and Economic Studies; Regulation of Appetite and Obesity; Adipokines, Inflammation, and Metabolic Diseases; Folate and B Vitamins Research; Diet, Metabolism, and Disease; Gut microbiota and health; Vitamin C and Antioxidants Research; Liver Disease Diagnosis and Treatment; Adipose Tissue and Metabolism; Enhanced Recovery After Surgery; Ferroelectric and Negative Capacitance Devices; Nutrition, Genetics, and Disease; Frailty in Older Adults; Big Data and Digital Economy; Metabolism and Genetic Disorders