Preventive Medicine: Sleep Apnea (OSA)

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Hello everyone! At least once or twice a week I'm going to put up a preventive medicine topic, which entails many aliments that can be practically destroyed through healthy eating. I picked OSA today because it is the 5 year anniversary of my mother who decided to take a huge leap of health and loose 100 pounds for her health. Previously, she had severe Sleep Apnea and couldnt even lay on her back for fear of her breathing halting, and recently at her check up the doctors picked up nothing, as if it weren't there in the first place! Here's some info on sleep Apnea: http://www.webmd.com/ahrq/sleep-apnea-self-care?page=1

Do you know anyone who suffers from Sleep Apnea or prevented it through diet and exercise? I'd love to hear your input!