How can i prevent and get rid of heartburn?

Heartburn approaches: elevating head of bed, not wearing tight clothes that cinch the abdomen, avoiding meals late at night, waiting at least 3 hrs after a meal to lie down, eat smaller meals, maintain a healthy body weight, avoid smoking, avoid alcohol, coffee, tea, caffeine & carbonated beverages. Try acupuncture, hypnosis, ginger tea, relaxation exercises. See if specific foods are triggers such as chocolate,