Acupuncture for Prevention of Radiation-Induced Xerostomia

The goal of this clinical research study is to learn if acupuncture is effective in preventing xerostomia (dry mouth) in cancer patients who receive radiation treatment to the head and neck area. Researchers also want to learn whether acupuncture lowers the severity of dry mouth that is experienced by these patients. Primary Objective: -Investigate if acupuncture is effective in preventing xerostomia among cancer patients at Fudan University Cancer Hospital (Cancer Hospital) who receive radiation treatment to the head and neck area. Secondary Objectives: * Determine whether acupuncture reduces the severity of xerostomia. * Determine the feasibility of providing acupuncture treatment to patients at Cancer Hospital who are receiving radiation treatment for cancer of the head and/or neck area.