主题词：Nutrition and Health in Aging; Clinical Nutrition and Gastroenterology; Enhanced Recovery After Surgery; Diet and metabolism studies; Nutritional Studies and Diet; Cardiac, Anesthesia and Surgical Outcomes; Body Composition Measurement Techniques; Child Nutrition and Feeding Issues; Frailty in Older Adults; Geochemistry and Geologic Mapping; Geological Modeling and Analysis; Child Nutrition and Water Access; Liver Disease Diagnosis and Treatment; Dialysis and Renal Disease Management; Electrical and Electromagnetic Research; Dysphagia Assessment and Management; Muscle metabolism and nutrition; Gut microbiota and health; Vitamin D Research Studies; Bariatric Surgery and Outcomes; Dietary Effects on Health; Dietetics, Nutrition, and Education; Nutrition, Genetics, and Disease; Vitamin C and Antioxidants Research; Obesity, Physical Activity, Diet