The document discusses several endocrine disorders and their psychiatric manifestations. Hyperthyroidism can cause nervousness, fatigue, insomnia, mood lability and other symptoms. Graves' disease is treated with antithyroid drugs, radioactive iodine or surgery. Hypothyroidism can cause depression, lethargy and cognitive impairments and is treated with thyroid hormone replacement. Cushing's syndrome due to hypercortisolism can result in mood changes like depression as well as physical signs. Hyperprolactinemia is associated with depression, stress intolerance and irritability. Certain disorders of the pituitary and adrenal glands can also impact mood and cognition.