The National Center for Complementary and Alternative Medicine (NCCAM), part of the National Institutes of Health (NIH), has launched Time to Talk , an educational campaign to encourage patients—particularly those age 50 or older—and their health care providers to openly discuss the use of complementary and alternative medicine (CAM).

CAM is a group of diverse medical and health care systems, practices, and products that are not presently considered to be part of conventional medicine, such as herbal supplements, meditation,...