That is definitely one cause of OSA as is micrognathia and other craniofacial abnormalities, but it remains that the most common cause is fat mass constricting

That is definitely one cause of OSA as is micrognathia and other craniofacial abnormalities, but it remains that the most common cause is fat mass constricting the upper airway - even if that person has completely normal craniofacial development and proper posture.