PHOTOS 6 CHART; (color on cover)ALTERNATIVE MEDICINE: Americans are drinking herbal teas, submitting to chiropractic manipulations, having needles poked through their skin and using the mind to heal the body as unconventional treatments inch closer to the mainstream. Licensed massage therapist [Wendy Loeb] massages client Frank Wollind during session in North Miami. Staff photo/JUDY SLOAN REICH. Dr. [Michael Rosenberg] works on patient Jean Konanski at chiropractic office in Boca Raton. Staff photo/NICHOLAS R. VON STADEN Dr. [Yao Wu Lee], with four offices in South Florida, says Chinese art of acupuncture stimulates the body to heal itself. Staff photo/MARK RANDALL. (1 chart of licensed therapist)