The document discusses complementary and alternative medicine (CAM) and its increasing use. It defines CAM and describes some common types like herbalism, acupuncture, chiropractic, and homeopathy. The document also provides statistics on CAM use in Saudi Arabia, finding high rates of use in Riyadh and Qassim regions. It discusses the WHO's role in developing national CAM policies and ensuring safety, efficacy, quality, access, and rational use of CAM therapies.