Neuroendocrine disorders involve problems with the interaction between the nervous system and the endocrine system, which regulates hormones in the body. These disorders can affect how hormones are produced and released, leading to various health issues. Common examples include Cushing's syndrome, Addison's disease, and neuroendocrine tumors. Symptoms of neuroendocrine disorders can vary widely, including changes in weight, mood, and energy levels. Diagnosis often involves blood tests, imaging studies, and sometimes biopsies. Treatment options may include medication, surgery, or hormone replacement therapy, depending on the specific disorder and its severity.