Many people think of snoring as little more than an annoyance, but for some people it may be a sign of a serious medical condition called obstructive sleep apnea. In this disorder, the muscles in the throat relax repeatedly during sleep, causing the airway to narrow or close. Breathing stops for short periods before the […] The post Sleep Apnea Linked to Poor Memory and Greater Dementia Risk appeared first on Knowridge Science Report .