As Frank Murray discusses in Vitamin A and Beta-Carotene Are Miracle Workers, the two inexpensive vitaming can jump-start the immune system, thereby protecting us against HIV/AIDS, measles, malaria, cancer, diarrhea, blindness, and other life-threatening illnesses., , Like Vitamins D, E and K, Vitamin A is a fat-soluble vitamin that is stored in the liveer, where it becomes a valuable resereve against deficiencies. Few reports in the literature show that it is harmful. Beta-Carotene is pro-vitamin A and is harmless., , Pregnant women should have their vitamin A intake, from foods and supplements, monitored by their doctor so as not to harm the fetus, whose liver is quite small. Children should also have their vitamin A intake evaluated. However, doctors can save children with measles with 100,000 to 200,000 IU of the vitamin inn two days., , As Richard A. Passwater, Ph.D., points out in the Foreword, gthe teachings of this book can save the lives of millions worldwide.h