Can a Ketogenic Diet Help People with Acid Reflux?
But it’s not always unidirectional. Food and liquids can move from the stomach back up into the esophagus. If you’ve ever vomited, then you’ve had personal, unpleasant experience with the two-way action.
The thing is, the LES is an involuntary muscle—meaning, you can’t deliberately move it, the way you can with your quads or your biceps. It opens and closes on its own. The opening of the LES during vomiting is a natural response to an emergency need to eliminate something toxic. But some people have a weakened LES that’s more prone to opening in benign circumstances.
The problem with foods coming back up, or refluxing, into the esophagus is that, unlike the internal lining of your stomach, which contains a layer of mucus that protects it from being eroded by stomach acid, your esophagus contains no such protection. So when foods that have been exposed to stomach acid bubble back into the esophagus, the acidity causes burning and irritation.
But remember, this doesn’t happen because the stomach is too acidic; it happens because it isn’t acidic enough.
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