What is a common risk factor for obstructive sleep apnea?

A large neck circumference is a common risk factor for obstructive sleep apnea (OSA) because it can contribute to the narrowing of the upper airway during sleep. When a person with a larger neck circumference lies down, the extra tissue around the neck can compress the airway, leading to breathing difficulties and potential blockages. This anatomical factor is often associated with obesity, which is another significant risk factor for OSA. Understanding this relationship helps in identifying individuals who may be at higher risk for sleep apnea and provides a basis for preventive measures or treatments.