Zinc
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The exact time of the discovery of zinc has been lost to us in antiquity. We do know that items containing zinc alloys, such as brass, have been found that were made back as early as 1000 to 1400 BC. Some items containing 87% zinc and dating back to what are called prehistoric times were found in Transylvania . Even in comparatively modern times, when records were kept of such discoveries there is still some controversy.
German chemist and scientific pioneer of analytical chemistry, Andreas Sigismund Marggraf, is generally credited with having been the person to make the discovery of pure metallic zinc in the year 1746. Historical records have proven however that another chemist, Anton Von Swab, had actually isolated the element zinc some two years earlier in the year 1744. In spite of the indisputable evidence of this fact, due to the methodical and exhaustive reports made by Andreas Sigismund Marggraf and the quality of his research, he is generally credited with being the discoverer of zinc.
Zinc has been determined to be an essential element which is necessary for the sustaining of all life. Scientific studies have determined that out of the hundreds of thousands of proteins which are involved in the make up of the human body, some 3000 of these proteins at least contain zinc. Scientific studies have also shown that in access of a dozen types of cells in the human body secrete zinc
Food and food sources of zinc have been found to include oysters, beef, pork, poultry, beans, nuts, whole grains, pumpkin seeds and sunflower seeds The leading and most abundant of these food sources is oysters, although they also have been found to accumulate toxic metals.
Many doctors and professional health care workers feel that clinical studies have shown that a deficiency in the amount of zinc in the human body can result in the loss of hair, lesions on the skin, eyesight problems (especially macular degeneration), problems with taste, smell, and memory and will eventually result in death.
Studies also seem to indicate that too much zinc can be equally harmful to the human body, by the suppression of the amount of copper and iron which the human body can absorb and also by causing damage to the lining of the stomach.
Zinc is used as an ingredient in such medications as calcimine lotion, diaper creams and medications made especially to be used as dandruff creams and for combating psoriasis. Many doctors and professional health care workers also feel that zinc ions promote the healing of wounds.
Zinc is also used by doctors and professional health care workers to help in the healing of some sorts of bacterial infections and viruses.
