Friday Favorites: Are Aluminum, Stainless Steel, Cast Iron, and Teflon Safe?

What’s the best type of pots and pans to use?

These are the first two videos in a three-part series on cookware. Check out the last one: Are Melamine Dishes and Polyamide Plastic Utensils Safe? (https://nutritionfacts.org/video/are-melamine-dishes-and-polyamide-plastic-utensils-safe).

I’ve previously discussed aluminum in antiperspirants (Antiperspirants and Breast Cancer (https://nutritionfacts.org/video/antiperspirants-and-breast-cancer/)), in food (How to Avoid Phosphate Additives (https://nutritionfacts.org/video/how-to-avoid-phosphate-additives/)), in medications (Are Acid-Blocking Drugs Safe? (https://nutritionfacts.org/video/are-acid-blocking-drugs-safe/)), and in tea (Is There Too Much Aluminum in Tea? (https://nutritionfacts.org/video/is-there-too-much-aluminum-in-tea/)).<br />
What about pressure cooking? I covered that in Does Pressure Cooking Preserve Nutrients? (https://nutritionfacts.org/video/does-pressure-cooking-preserve-nutrients).

What is the safest way to prepare meat? Find out by watching my video Carcinogens in Meat (https://nutritionfacts.org/video/carcinogens-in-meat/).

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Have a question about this video? Leave it in the comment section at http://nutritionfacts.org/video/friday-favorites-are-aluminum-stainless-steel-cast-iron-and-teflon-safe and someone on the NutritionFacts.org team will try to answer it.

Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at https://nutritionfacts.org/video/friday-favorites-are-aluminum-stainless-steel-cast-iron-and-teflon-safe. You’ll also find a transcript and acknowledgements for the video, my blog and speaking tour schedule, and an easy way to search (by translated language even) through our videos spanning more than 2,000 health topics.

Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

Captions for this video are available in several languages; you can find yours in the video settings. View important information about our translated resources: https://nutritionfacts.org/translations-info/

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100 Risposte a “Friday Favorites: Are Aluminum, Stainless Steel, Cast Iron, and Teflon Safe?”

  1. You are so very much appreciated. Thank you for all you share. You make such a difference in the world. And you are fun to watch as well.

  2. The simplest is the best. Stainless steel pots and pan are great.
    Teflon and other EXTRA coatings to make "non stick" pans use suspect chemicals that can leach into the body.

  3. Any non stick pan with a broken or worn surface coating should be disposed of as the chemicals can flake off or be absorbed.

  4. Oh, my lord! I stopped cooking a year ago or more. Now I feel better about that, lol! I boiled water in a steel pot to brew coffee. I'll be aware of how boiled water tastes to avoid toxicity in my body. Thanks for the video!

  5. So the part about cast iron causing vegetable oil to turn into trans fat when used to fry, does that only mean deep frying? If I stir fry a green pepper and onions in oil in a cast iron would that create trans fats in the oil?

  6. Thanks for the video of this important and relevant subject. This is actually why i havent yet got myself an air fryer, as all the varieties on the market at least where I live seem to have non stick coating. 😢 i was actually thinking of getting a New pan just yesterday so this was very timely. 🙂 🙏🏻🙏🏻

  7. i presume by now all of these things have been fixed, but ive always had a natural instinct against plastics and foil and the black not stick pans, i use some "stoneware" or something pans to cook that are non stick i hope thats ok, glad to know i dont have to worry as much about stainless steel tho i never feel right boiling in stainless steel pots

  8. Guess who Just used stainless steel to cook and gonna do it still?❤❤❤ Baby when i go i go but ima eat and ima cook baby.

  9. Your exaggerated animation along with your ups and downs in your vocals is so distracting that I cannot appreciate your valuable information. I’m an octogenarian. Please help me remain a subscriber by toning down your animation.😊

  10. plz this is important Michael Greger, MD *
    i work with sanding manualy aluminium and my boss laugh at my for wearing a mask 3n , they tell me the particle are too big and lung can expulse it.
    i hear its not completly safe to breath in aluminium dust all day… its so weird they say its safe?
    alveole of lungs capture them permanantly? fibrosis? Permanant damage?
    people blow their nose and its sparkling silver and black… this cnat be "100% safe"
    plz this is important

  11. I don't get who buys those X different types of floss in the first place. Both a broad variety of dentists as well as research have told me the same thing over and over: Just use any unwaxed floss.
    (What the hell is "glide" anyway? Floss isn't supposed to glide but scrape stuff off of the teeth…)

    And given tooth paste and possible mouthwash, I wonder what's wrong with the taste buds of people who are like "I really need MORE mint or similar crap!"

  12. I am slightly concerned about cooking with Teflon though I will still continue to use it as I don't need as much oil and its significantly easier to clean and use for casual cooking. Something I'll keep an eye on, avoid high heat, and toss if its breaking down. Might buy more stainless in the future. I wish I knew if newer or older teflon is safer. My instinct says newer is safer.

  13. What about corning ware, the glass looking kind or the white old fashion kind? Also the all clad stainless steel? I find it strange that even after I boil soups, a residue builds on the bottom and doesn't come off unless I scrub w scouring powder. Why can't they make good healthy cookware and be done w it 🙁

  14. I am glad I bought a water pick that my dentist recommended about a year ago. Wow. Dental floss???? OMGosh. But come on, after eating an apple, floss is my go to. Water pick it is from now on.

  15. I have been intentionally avoiding foods prepared with aluminum cookware and utensils after reading several independent reports regarding the effects of heavy metals in our diet. Many people believe that just because aluminum is lighter than iron and steel, it is not a heavy metal. The truth of the matter is, though, that aluminum acts as a heavy metal in the body/blood, and has been linked to elevated risk and/or occurrence of dementia, including Alzheimer's.

  16. If the right food and cooking techniques is the answer to everything then what should you eat to keep your hair and maintain perfect eyesight? Like sure you're not aging a bit.

  17. If it's not in the cooking pot, it's in the water or the air or the food or the packaging or poisonous critters other people… Oh and there are earthquakes, hurricanes, black ice, blizzards, fires, crime, war, corruption, active shooters… Did I miss anything? 😂

  18. I’ve already gotten rid of all aluminum and Teflon pans. What I’d like to see input on would be ceramic coated aluminum (like Caraway), enameled cast iron (like Le Creuset) and carbon steel. Currently using enameled cast iron pots and a carbon steel wok.

  19. Please help my neighbour has radioactive blue light spectrum 400-500nm blue light shining into my room, my husband has glaucoma and this is damaging his eyesight and causing my eye to twitch the council don’t believe the damage of radioactive lights causing retinal damage and without providing the evidence to the officer I am unable to stop this person harming my husband’s eyesight I remember nutrition facts did a video on the dangers of green light on frogs and really need help I bought how not to age when it was released and I can’t find blue light there

  20. Thankyou for the very thorough and informative review of cooking materials. Are there inherent hazards associated with ceramic, stoneware and enamel cookware?

  21. I’d like to know more about carbon steel and cast iron pans. Does the coating that builds up on these pans pose any kind of risk?

  22. Not to add to our woe, but most parchment papers also have PFAs. Along with everyone else, I would also like to know which pots and pans Dr. Gregor recommends and how to differentiate between the “metal” pots/pans/mixing bowls that I already own. Thanks!

  23. My family has been using Magnalite pots and pans since the 70s. They are made from an aluminum and magnesium alloy. Does anyone have any info o these as it pertains to aluminum and the associated oxidative stress? Thanks.

  24. Great info, though I wish it were more thorough and included potential pitfalls in ceramic and glass cookware. I'm sure we'll see an update at some point.

    In my research I've found that there is also currently no safe ceramic cookware either due to unsafe forever chemical nanoparticles and glazes with undisclosed ingredients and heavy metals. I'm not affiliated with either, but Mamavation has very informative articles and recommends Xtrema as the best option but Tamara Rubin (Lead Safe Mama, also very informative) does not as she found heavy metals in the pan substrate and glaze using her XRF scanner (which is different than leach testing).

    It's frightening how little control we have over the toxins we introduce into our bodies through seemingly benign sources. Good luck to everyone out here trying to protect their families and those doing their best despite limited resources. I rotate between stainless steel (despite a low grade nickel allergy), cast iron (not coated with GMO, conventional, or low smoke point oils), and lead-free glass.

  25. Very good information however this will be the last video of his I can watch because the delivery is excruciatingly painful to watch

  26. 🎯 Key Takeaways for quick navigation:

    00:00 🍳 Assessing the Safety of Common Cookware Materials
    – Examines the safety and health implications of using aluminum, stainless steel, cast iron, and Teflon in cookware.
    – Discusses the potential risks of aluminum exposure from cookware, especially when used with acidic foods.
    02:22 🥘 Aluminum Exposure from Cookware and Its Effects
    – Highlights the dangers of cooking acidic foods in aluminum cookware and its impact on health.
    – Advises against the regular use of aluminum pots and dishes for acidic or salted foodstuffs.
    – Discusses the minimal risk of aluminum foil in food wrapping, except when in contact with certain metals.
    05:12 🍲 Stainless Steel and Cast Iron as Safer Alternatives
    – Suggests stainless steel as a safe option, with minimal metal leaching after repeated use.
    – Recommends cast iron for its additional benefit of supplementing dietary iron, but advises against frying in it.
    06:35 🚫 The Hazards of Teflon and Nonstick Cookware
    – Details the toxic effects of Teflon, especially at high cooking temperatures.
    – Associates the use of nonstick cookware with an increased risk of health issues, including certain cancers.
    – Warns against the harmful environmental impacts and human exposure to Teflon-related chemicals.

    Made with HARPA AI

  27. Can you please also make/present studies of the use of clear plastic bags in baking, steaming fish, or meats?

    I have family and friends who go to restaurants that cook food in plastic bags. Thank you for this video and future videos.

  28. I had 4 birds die after I filled the room with smoke form cooking with Teflon cookware! The vet explained that kills birds, I was in shock! and immediately replaced fro cast iron and ceramic.

  29. Glad to find stainless steel cookware is okay. We’re still using the same pots and pans we had for wedding gifts 35 years ago. They’re indestructible.

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