Ancient Central American technique is rapidly gaining acceptance among the medical community, and results for its patients Monique Davis knows about pain. She has suffered from severe Scoliosis, nuerosystem problems, and Chrons’ Disease all her life; she would, at times, black out from the pain in high school. Despite being skeptical of so-called alternative medicines, Davis eventually decided to turn to Mayan abdominal therapy as practiced by Joanna Yañez. Ms.