Clean pure water is essential to health. In this book Dr Norman Walker explains the problems that can be caused by drinking impure water, and highlights the health benefits of high quality water. Drinking 6-10 glasses of high quality water each day can improve health. Dr Walker explains in great detail the dangers of public water and why it must be avoided. Low quality water is more pervasive than you think. Educate yourself so you can choose the water that is healthiest for you. Problems he describes as being influenced by water include: arthritis, varicose veins, cancer, and even heart attacks - a major problem in virtually every community in the country.