The mineral known as silver has been used for healing purposes and for treating diseases as far back in recorded time as 4000 B.C. Eastern Persian records specifically mention the practice of placing water in silver vessels, and the ancient Babylonian and Greek civilizations were fully aware of silver's ability to disinfect.
Furthermore, the Romans reported the use of silver compounds for medical treatment. It continued to be used as a remedy during the Middle Ages in order to treat open wounds in battle and the Ayurvedic physicians of India continue to use it to this day. Silverware or a silver coin was kept in the drinking water and the milk in order to prevent spoilage before the days of refrigeration. The early settlers used silver, and many people remember their grandparents placing silver dollars in milk in order to prolong its freshness at room temperature. Members of royalty were called bluebloods due to the silver content in their blood and the blueness of their skin. When eating the royalty used almost exclusively silver plates, bowls and utensils. They essentially digested large particles of silver over an extended period of time, which created a permanent discoloration of the skin, due to the excessive silver deposits. This condition is known today as Argyria.
However, there is no danger of this occurring today, as long as you are using properly prepared Colloidal Silver. (Note: The FDA has approved CSI's product because it passed all safety and efficacy manufacturing standards.) CSI has the only approved seal from the ICSC International Colloidal Silver Council (Copy upon request)
As recently as the 1930s, silver nitrate was routinely used by American hospitals in the eyes of newborn babies as a protection against blindness in case the mother had contracted a venereal disease, and is still used today in many countries. The March 1978 issue of Science Digest included an article entitled "Silver, Our Mightiest Germ Fighter", in which it stated that more than half of the world's airlines used silver water filters as the method of choice for protecting passengers from water-born diseases, including British Airways, Lufthansa and Air France. After reviewing 23 different water purification systems, NASA selected a silver-based system for the space shuttle, and Japan uses silver air purifiers. Prior to 1938, (FDA - Food & Drug Act).
Colloidal Silver was administered orally, rectally, vaginally and intravenously, or atomized into the nose, lungs and eyes, as well as topically in the form of throat gargles, eye drops and douches for the treatment of open wounds and burns. For more effective topical use, Colloidal Silver can be mixed with natural vegetable glycerin or aloe vera. Medical research has documented that Colloidal Silver promotes more rapid healing, with less scar tissue in cases involving severe burns.