Two small studies may shed some light on whether acupuncture, the ancient art of traditional Chinese medicine in which needles are used in pressure points on the body, may help alleviate heartburn. An Australian study of 14 heartburn-free volunteers found that electrical stimulation of an acupuncture point on the wrist reduced the number of times the lower esophageal sphincter (LES) muscle relaxed. This may keep stomach acids from rising up in the esophagus (the cause of heartburn.)  Normal