AVOIDING ACID REFLUX WITH LIFESTYLE CHANGES   A few years ago, I woke in the middle of the night with a pain in my chest.  I really didn’t think I was experiencing a heart attack; I had no other symptoms. So, I went on the Internet and soon found I was probably having an extreme case of acid reflux; that it was most likely heartburn—a common symptom of GERD (gastroesophageal reflux disorder).  I went to see my doctor the next day. She insisted I be tested for heart problems, which I did and found my heart was fine. After that,...