| http://www.w3.org/ns/prov#value | - CAM involves such practices as acupuncture, biofeedback and neurofeedback, herbal and nutritional supplements, meditation as well as other therapies that are not considered to be part of conventional medicine.The National Health Interview Survey found that expenditures on CAM accounted for 11.2 percent of total out-of-pocket healthcare spending in 2007.
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