The ceramics in question are primarily the shiny forms, called porcelains or enamels. The less shiny stoneware, unless painted or decorated, has negligible levels of lead. Ceramic tableware is considered the largest source of dietary lead today. In some samples of a pint of water drawn through a faucet, lead reached levels as high as 25 times the allowable maximum daily intake. Such leaching may diminish as faucets age.
Lead often travels with calcium.
Calcium supplements are offered as pills or added to some products, especially drinks likely to be consumed by children. Antacid tablets are also often promoted as calcium supplements. Occupational exposure Adults exposed to lead at work often develop lead poisoning . It was from work-related lead poisoning that the symptoms of lead poisoning, which can affect not only the nerves , but also the stomach , testes , kidney, and bone marrow, were first noticed. Inhaled lead dust can also adversely affect the lungs .