Studies show that nearly 70 percent of Americans regularly take at least one prescription drug. One in four of these prescription drug users also reports taking a non-vitamin dietary supplement. How many of these pills and tablets are necessary? Are medications and supplements really improving our health?

Dr. Cathy Rosenbaum's answer to that question is an emphatic no. Rosenbaum, a clinical pharmacist and holistic health expert, has more than fifteen years of experience in health consulting and coaching. A trip to China to explore herbal research as well as integrative health and...