It’s not that simple. Cast iron pans when properly seasoned won’t leach much iron into the food. However, I recall reading about a group who brewed their beer in iron kettles. And it was found to be a significant source of iron, as a result.

And beer itself for various reasons enhances iron absorption.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4434614/

Some types have more iron than others

https://www.sciencedaily.com/releases/2011/08/110811084511.htm

Icelandic News in English - https://www.ruv.is/english

I saw a cool VW bug, and engaged the driver in conversation. They were delighted to tell me all about their EV conversion. It’s definitely doable.

Clean up never happened in Socorro, NM. Note: this is depleted uranium, the stuff left over when one removes the most radioactive part. It’s mainly harmful because it’s a heavy metal, and is toxic.