A community health nurse is developing a brochure about obstructive sleep apnea (OSA). Which of the following potential complications of OSA should the nurse include?

A. Enlarged adenoids Enlarged adenoids may contribute to airway obstruction, especially in children, but they are not a complication of OSA. B. Diabetes mellitus While OSA is associated with an increased risk of insulin resistance and metabolic syndrome, it is not a direct complication. C. Nasal polyps Nasal polyps can contribute to breathing difficulties but are not a complication of OSA. D. Heart failure OSA can lead to chronic hypoxia and increased cardiac workload, contributing to conditions such as hypertension, arrhythmias, and heart failure.