Other causes include surgical procedures, hormone deficiencies (hypopituitarism, hypothyroidism), hormone treatments (vasopressin, desmopressin, oxytocin), HIV, pulmonary conditions (e.g., pneumonia), and central nervous system disorders (CNS) (stroke, hemorrhage, infections, trauma, mental health disorders, and psychosis) [10,11,14,15,16]. The gene discussed is OXT; the disease is infection.