Testing some alternative therapies can be difficult. Scientists still aren't certain how acupuncture works.

"There may be direct effects of the stimulation on the nervous system that change pain processing and our researchers are looking at those," says Briggs. "But part of this may be expectation and the reassurance of the practitioner, the effect of the ritual. Some people call it the placebo effect. If it helps, however, it is worth knowing about."

Dr. Deirdre Orceyre is both a naturopathic physician and Chinese medicine practitioner at the Center for Integrative Medicine. She sometimes uses acupuncture for her patients.

"I try my best to use it in conjunction with the more Western model with natural or conventional and bring that in as a perspective and a healing modality."

That is the philosophy behind integrative medicine, to complement Western treatments with other methods.

"For me it was very important to do both, because I believe in the scientifically approved methods," says Sterud, the cancer patient.

She's encouraged that her oncologist has asked her to share information on her experience at the Center for Integrative Medicine.