主题词：Diet and metabolism studies; Regulation of Appetite and Obesity; Nutritional Studies and Diet; Fatty Acid Research and Health; Biochemical Analysis and Sensing Techniques; Tryptophan and brain disorders; Stress Responses and Cortisol; Birth, Development, and Health; Folate and B Vitamins Research; Adipose Tissue and Metabolism; Biochemical effects in animals; Neuroscience and Neuropharmacology Research; Gut microbiota and health; Antioxidant Activity and Oxidative Stress; Child Nutrition and Feeding Issues; Alzheimer's disease research and treatments; Eating Disorders and Behaviors; Olfactory and Sensory Function Studies; Neuroinflammation and Neurodegeneration Mechanisms; Trace Elements in Health; Neurotransmitter Receptor Influence on Behavior; Parkinson's Disease Mechanisms and Treatments; Neurological Disease Mechanisms and Treatments; Obesity, Physical Activity, Diet; Dietary Effects on Health