According to a recent analysis of the 2007 National Health Interview Survey, U.S. adults who used complementary and alternative medicine (CAM) for general health and well-being reported significantly better health status than those adults who used CAM to treat an illness. The NCCAM-funded analysis, published in Health Services Research, also found that these two groups of CAM users had differing health behaviors and patterns.
Source: http://nccam.nih.gov/research/results/spotlight/051011.htm?nav=rss