Last I heard, copper cookware was being blamed for copper toxicity and you shouldn’t use it. Now it’s ok? Beneficial?
And aluminum will give you Alzheimer’s so what are you going to cook your sauces in? Gold?
The classic recipe for Swiss cheese has the curds cooked in copper vats. I make fruit jam in copper pots—with lots of lemon juice. These are classic recipes from over three hundred years of recorded cookbooks. Like so much science, it is contradictory and politicized.
Most copper cookware is steel with copper cladding on the outside for heat conduction. That, and it looks good.