Sounds strange to me... I wouldn't go for that option unless you can find more info substantiating the claim. Do you know the name of the doctor?
Though, come to think of it, one of the most often mentionned and trusted natural remedy for acid reflux is apple cider vinegar, which would be an implementation of the more-acid-theory, wouldn't it?
Computer Games Designer, Rugby Player and Acid Reflux Sufferer. Favorite resources for the latter include Heartburn at about.com
, Acid Reflux
, and the Mayo Clinic