Does yawning make you lose brain cell?
In the past, scientists theorized that yawning helped wake you up because it sent extra oxygen to the brain. However, observational studies found that levels of oxygen or carbon dioxide in the bloodstream don't affect how likely we are to yawn.ChaCha
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About Oxygen
Oxygen is a television channel geared towards women owned by NBCUniversal. The channel's slogan is ''Live Out Loud.'' Some of the channel's original series include 'The Bad Girls Club,' 'All About Aubrey,' 'Snapped,' 'Tori & Dean: Home Sweet Hollywood,' and 'Jersey Couture.'
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