Hey there Run EMC - Welcome aboard! I just started on 8/25.
I have had GERD and IBS and acid reflux my entire adult life. Ranging in weight from 167 to 255+. Sometimes it is worse and sometimes it is better. Twice I've gone to the ER thinking I was having a heart attack. I've been to the doctor several times for EKG or stress EKG because I just couldn't believe that it wasn't my heart.
I gave up golf due to chronic inflammation of my sternum. I took lots of antacids, proton pump inhibitors and treated the inflamed areas with ice. Nothing really seemed to work.
I even had an upper endoscopy where they proudly declared that I had celiac's and a hiatal hernia. Only to come back and say that they were wrong about the celiac's but that the inflammation pattern in my GI tract looked like Celiac's.
One day about four months ago, my chest was killing me. I had been doing p90x and eating low-fat (i.e chicken-broccoli-rice) kind of a diet. I then went on the BRAT diet (bananas, rice, applesauce, toast) which is supposed to be the easiest for your stomach to digest. Still a problem.
Suddenly, very clearly I had an epiphany - fat is the grease of the body. If an automobile engine is burning and chafing - you add some oil. So that night I went and bought a big fat ribeye and I ate all the fat. You know what, my inflammation in my chest dropped immediately. I could feel it easing. Almost like putting aloe on a burn. I did some googling to see if there was any science behind my hypothesis and found MDA. I was familiar with Mark because of the P90X nutritional work that he did, but I read a little and thought it looked interesting.
Anyway, I had to work in another city for four months and I kind of forgot about that and kept eating low fat (I know right?) but slipping in some junkfood and lots of diet soda.
Things steadily got worse until I finally went to the doctor AGAIN worried about my heart and he put me on a proton pump inhibitor (I told him the others didn't work but he gave me some samples and it worked, so I kept at it).
Eventually that stopped working too. In the meantime I found MDA again while noodling around on the internet looking for information on chest inflammation and this time I read it for nights on end before I went to bed. I decided to start incorporating things immediately, even though I was on the road. I just cut out the starches with dinner and cut down on the bread. I felt better and lost a few lbs. Then I got back home, talked to my wife about it and cleaned out the pantry and went to the store. I still didn't know exactly what I was doing, but I knew it was what I needed to do. I read on the forums someone who described it as "I only eat plants and animals". I decided not to do things that were supposed to taste/feel like bread or other non-primal foods because I just wanted to enjoy fruits, veggies, meats and nuts for a while.
My inflammation went away instantly. I took my last proton pump inhibitor after the second day of being primal. Forgot, actually, because there were no symptoms and haven't taken it since.
My GERD is practically gone. It resurfaces every time I eat wheat or fries (which is always junk food, I don't crave anything else).
I don't know what the relationship is in the gut but in my case, wheat or sugar or corn seems to be the cause of 90% of the problems.
Oh, I was starting up golf again and had the same inflammation in the old chest. Since I started primal I'm almost completely pain free at that too. Walking and carrying my clubs (9 holes) 3+ times a week.