Do copper pots and pans leach into food?

Copper will leach into food if you cook in it directly, so most copper pots are lined (sugar pots for candymaking are not). Copper heats quickly and has very even heat distribution, so it is the choice of chefs everywhere. Today, most copper pots are lined with stainless steel, a manmade concoction of various metals which do not occur together in nature, and leach into food and water once the surface is scratched (see Stainless Steel above). Traditionally, copper pots were lined with tin, which is a natural element of the earth and considered to be the most inert of metals. Copper itself is also a naturally-occuring metal. Tin-lined copper pots are still available today in better cookware stores. However, after investing in two tin-lined copper pots, I found that the tin does come off. After purchase, I learned that these pots periodically need to be retinned. I damaged one of my pans by not washing it immediately, and the specks of food remaining in the pot after cooking ate right ...  more