While Tin has been established to be an essential trace element for some animals, some researchers are still unsure of whether tin is essential in human health and nutrition. Daily dietary intake of tin from various food sources is in the 1-3 mg range, which is less than 1 10th of the daily intake obtained years ago before lacquering tin cans, switching to aluminum cans, or in the more distant past, when tin cups or tin pans were still in use. Since bronze contains copper and tin, the use of tin has been established well past the Bronze Age, several thousand years ago... Full Text