Can Your Nonstick Pan Make You Sick? We'll Explain
A great nonstick pan can do wonders for your cooking. Nonstick cookware is coated in teflon, which makes it easy to use and clean. However, some question the safety of the chemical-coated dishes: PTFE and PFAS (used in the coating) can potentially mix with your food during use.
CNET
Last year, the US saw an increase in reported cases of "Teflon flu." If that raises questions in your mind, you're not alone. Several Reddit users expressed the same concerns, with some wondering whether inhaling Teflon fumes while cooking is dangerous. The good news is that if your cookware was made after a certain year and you use it properly, you should be in the clear. But there's also a bit more to the story. Here's what you need to know about Teflon flu and using your nonstick kitchenware without health worries.
Read more: Never Raise Your Air Fryer Above This Temperature
What is Teflon flu?
Air fryer baskets are often made with a synthetic nonstick coating.
David Watsky/CNET
The chemical polytetrafluoroethylene (PTFE), found in Teflon and similar nonstick surfaces, is common in air fryers, pots and pans and other kitchen appliances. When these materials overheat, they can release synthetic compounds that pose health risks.
Polymer fume fever, or Teflon flu, has reignited a debate about nonstick cookware safety. The illness occurs when fumes from an overheated Teflon or nonstick pan are inhaled. Nonstick pans are made with polytetrafluoroethylene (also known as PTFE). PTFEs are known as "forever chemicals" because they take decades or sometimes even hundreds of years to break down.
Read more: I Upgraded to This PFAS-Free Glass Fryer and You Should, Too
Under normal use, PTFEs aren't thought to cause a health risk, but when heated to above 500 degrees Fahrenheit, there are increased emissions and the resulting polymer fume fever. Polymer fume fever causes a range of reported symptoms including fever, chills, muscle tension and headache. Symptoms of Teflon flu are temporary and generally start within 12 hours of exposure but can take up to 24 hours to take hold.
How to avoid Teflon flu
Teflon and nonstick cookware are easy to use, clean and maintain, but it should be used only for low to medium heat cooking. Never heat your nonstick cookware over high heat or medium heat for long periods of time. Try to keep the surface temperature at or below 450 degrees Fahrenheit, or emissions from the PTFE coating are likely to increase.
What is Teflon and does it cause cancer?
Nonstick or Teflon is a popular choice for home cooks. The biggest advantage is that food won't stick to pots and pans coated with Teflon the way it does to other metal materials, so it's easy to flip a pancake or remove a cooked egg. Nonstick is also very easy to clean, generally taking no more than a few seconds to wash by hand.
Teflon is a brand name for a synthetic chemical called polytetrafluoroethylene that's used in many household products, from wire coatings to fabric protectors and kitchen cookware. The knock on Teflon is that it's unsafe if consumed or absorbed into the body and can increase the chances of cancer and other diseases. Studies have shown some connections (more on that below), but Teflon still exists and is used to make cookware, and the safety concerns around Teflon are mostly a thing of the past.
I stress mostly. Here's why…
The brand Teflon may be associated with a risk of cancer, but it's actually a chemical formerly used in the making of Teflon called PFOA that's to blame. According to the US Centers for Disease Control and Prevention, perfluorooctanoic acid is a manufactured perfluorochemical developed in the 1930s and used to make fluoropolymer coatings and products that resist heat, oil, stains, grease and water.
Thanks to a federal ban, all Teflon and nonstick cookware made after 2013 should be free of harmful PFOA. Europe enacted the same ban in 2008.
All-Clad
What are the negative effects of PFOA?
In some studies, PFOA has been linked to cancer, immune deficiency and a host of other medical problems. It has also been shown to affect growth and development and injure the liver in laboratory animals.
As recently as 2017, chemical giant Dupont settled a lawsuit for more than $670 million for its role in contaminating drinking water with PFOA (also referred to as C-8) in the mid-Ohio Valley. A previous class-action suit from 2004 in the same area led to a study that found PFOA was linked to cancer and compromised immune function, even in small doses.
Teflon cookware made before 2013 may be toxic
All that was enough for most manufacturers to halt the production of nonstick coatings using PFOA around 2002. Teflon using PFOA wasn't officially banned in the United States until 2014. Europe banned it in 2008. That means if you own Teflon nonstick cookware from 2013 or earlier, there's a chance it contains PFOA. Nine years is typically longer than the average lifespan of a nonstick pan, but if you're not sure, it's probably best to replace any Teflon-coated pots or pans.
If you're concerned, look for PFOA-free cookware
Because of the ban, all nonstick cookware made in the US should be PFOA-free, but you'd be wise to make sure. Be extra cautious about buying cheap or off-brand cookware, especially if it's not produced in a country with an active PFOA ban. PFOA is still produced elsewhere, largely in China, and used to make consumer products.
The good news is that PFOA-free nonstick cookware is cheap, so there's no reason to risk it with anything that might contain the chemical. You can nab a 10-inch skillet from a trusted cookware brand like Misen for $99 or Tramontina for about $30. Luxury cookware brand All-Clad makes a two-piece nonstick cookware set for $60.
The Always Pan is a nonstick ceramic alternative to Teflon cookware.
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The best natural nonstick cookware alternatives
If you're ready to ditch Teflon and chemical-based nonstick pots and pans, there are plenty of more natural nonstick alternatives.
The most nonstick of the bunch is ceramic cookware, which has seen a boom in popularity since concerns about Teflon first surfaced. A few popular ceramic cookware options include The Always Pan (read my full review here), Caraway and Greenpan.
Cast iron is another cookware material that develops a natural nonstick coating over time, especially if you season it well and care for it properly. It won't likely ever become as nonstick as Teflon, but cast iron has loads of other culinary benefits that are worthy of a few extra seconds of scrubbing in the sink after use. Lodge is a tried-and-true cast-iron cookware producer: You can scoop up a 10-inch skillet for as little as $20.
Cast iron develops a nonstick patina over time and is a natural alternative to Teflon.
Angela Lang/CNET
Carbon steel is yet another option and functions similarly to cast-iron cookware, although it's not quite as heavy, slightly more sensitive to corrosion, and typically more expensive. Carbon steel hasn't really popped off here in the US but is a favorite of professional chefs, as well as yours truly. Cookware startup Made In produces some excellent carbon steel cookware with prices starting around $89, but there are cheaper options out there.
FAQs
Should I worry about buying Teflon nonstick cookware?
The Teflon brand stopped using PFOA, the offending chemical behind Teflon flu, in 2013. That means that it should be safe to use new Teflon cookware any way you see fit -- although it couldn't hurt to continue being cautious when using new nonstick cookware.
Can I only catch Teflon flu from Teflon products?
No. The name Teflon flu originates from the Teflon brand because they famously used PFOA chemicals in the process of creating its cookware before 2013. However, that doesn't mean your cookware is PFOA-free. If your cookware is created in the US, it should be free of harmful chemicals. But cheap companies and off-brands that create cookware in countries without PFOA bans often still use the chemical in their products, and those might still wind up in your hands.
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