A survey by the National Center for Complementary and Alternative Medicine, part of the National Institutes of Health, found that 36 percent of Americans used some form of alternative...

A survey by the National Center for Complementary and Alternative Medicine, part of the National Institutes of Health, found that 36 percent of Americans used some form of alternative therapy—including yoga, meditation, herbal treatments—in the past 12 months, 50 percent in a lifetime. (Barnes, 2004).