I have collected cast iron cookware since I have been married and use it for nearly all my cooking. I just got a new set of stainless steel cookware so I can throw away all the nonstick stuff I have left, which aren't very many I hate using the stuff but have a few things I still have been using them for.
Here is a link to caring for cast iron that you should go to if you have any questions about cast iron care:
Cast iron cookware will last you a lifetime if properly cared for, stainless steel cookware will also last you a lifetime if properly cared for. Another thing I collect is glass ovenware, which is much more fragile but is also a healthy alternative.
Non stick and aluminum cookware is thought to have poisonous aspects, such as the nonstick surfaces flaking off and the aluminum leaching into your food, both which have been considered contributing to health problems, including alzheimers.
Here are a few photos of my cast iron cookware collection. Many of them are antique but some of them that were gifts or picked up at garage sale are more recent cheaper replicas, but still work well.
I'm always on the look out for a new piece to add to my collection, but I really don't NEED any more. I have done a fairly good job about limiting the things I DO collect any more, down to only books, good cookware and some dishes, and of course outside plants and trees. Used to have tons of collections but now I have just a few of my favorite pieces and the collections are gone..thank God they were very difficult to care for.
I'm new to the stainless steel so I'm not really too sure on how to care for them, but I do know that they aren't considered dishwasher safe and you cannot use bleach on them. I am allergic to metals, so I'm hoping that switching from the nonstick to the stainless in my non cast iron cookware, that maybe that will be an additional boon to healthy living for me. Also I won't be eating flaking nonstick surfaces either. It will be a learning experience but I will be looking forward to it. Would appreciate any tips on caring for the stainless from any that have good tips for me..thanks.