About all you can do is preventative
Drink less sodas and beer, more water
Eat smaller meals, more often
Eat slower, chew more
Cut down on smoking, or quit
Don't eat before going to bed
95% of digestion is supposed to occur in the mouth. Many peoples problems (including mine) come from eating way too fast due to a hurried lifestyle. Eating too fast and not chewing properly shifts too much of the burden of digestion to the stomach, thus the increase in gastric acids