When you need a frying pan to cook fluffy omelets, a skillet to brown mushrooms, or a sheet pan for baking an afternoon treat of chocolate chip cookies, it’s tempting to reach for something nonstick.

Know which cookware is safest for daily cooking. Compare cast iron, non-stick and stainless steel for health, durability, toxins and long-term kitchen safety.

Before you cook your next meal, take a closer look at that nonstick pan. Some coatings may contain chemicals that raise ...