More mainstream physicians suggesting complementary and alternative medicine, such as meditation, massage, and acupuncture. The future success of the holistic CAM movement in the U.S. hinges on the very people who once viewed alternative medicine with cold skepticism: mainstream, conventionally trained doctors. Though many still believe medical treatments should be backed by rigorous scientific data, they will not rule out adding into the treatment mix mind-body therapies that have been used for centuries in other cultures.