主题词：Alzheimer's disease research and treatments; Tryptophan and brain disorders; Cholinesterase and Neurodegenerative Diseases; Neuroscience and Neuropharmacology Research; Neuroinflammation and Neurodegeneration Mechanisms; Parkinson's Disease Mechanisms and Treatments; Neurological Disorders and Treatments; Diverse Scientific and Economic Studies; Neurological Disease Mechanisms and Treatments; 14-3-3 protein interactions; Neurotransmitter Receptor Influence on Behavior; Nerve injury and regeneration; Cannabis and Cannabinoid Research; Nuclear Receptors and Signaling; Computational Drug Discovery Methods; Nicotinic Acetylcholine Receptors Study; Neurogenesis and neuroplasticity mechanisms; Receptor Mechanisms and Signaling; Cancer Mechanisms and Therapy; Medicinal Plants and Neuroprotection; Stress Responses and Cortisol; Genetic Neurodegenerative Diseases; Treatment of Major Depression; Mitochondrial Function and Pathology; Neuropeptides and Animal Physiology