In 1988, when "Scientific Bases of Acupuncture" was published, its edi tors noted that 12 years had passed since the acupuncture endorphin hypothesis was first postulated, an event that marked the start of serious basic research on acupuncture. The editors also suggested that more was known about the mechanisms of acupuncture analgesia than many pro cedures of conventional medicine and, in consequence, it was time to stop referring to acupuncture as an "experimental procedure. " Now anothe...