I assume Emma has GORD, gastro-oesophageal reflux disease which is a type of acid reflux which can interestingly cause oesophagitis which is what Phizzle says Emma now has. GORD is treated by changing diet, quitting smoking and medication.
That is the page he's posted from a medical journal. He didn't say anything about Emma being put on a strict diet though.
She wouldn't follow it anyway.