Microwave Popcorn Cancer: Does it Really Cause Cancer? (2024)

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What’s the link between microwave popcorn and cancer?

Popcorn is a ritual part of watching movies. You don’t need to go to the theater to indulge in a bucket of popcorn. Simply stick a bag in the microwave and wait a minute or so for those fluffy buds to pop open.

Popcorn is also low in fat and high in fiber.

Yet a couple of chemicals in microwave popcorn and its packaging have been linked to negative health effects, including cancer and a dangerous lung condition.

Read on to learn the real story behind the claims about microwave popcorn and your health.

The possible link between microwave popcorn and cancer isn’t from the popcorn itself, but from chemicals called perfluorinated compounds (PFCs) that are in the bags. PFCs resist grease, making them ideal for preventing oil from seeping through popcorn bags.

PFCs have also been used in:

  • pizza boxes
  • sandwich wrappers
  • Teflon pans
  • other types of food packaging

The trouble with PFCs is that they break down into perfluorooctanoic acid (PFOA), a chemical that’s suspected to cause cancer.

These chemicals make their way into the popcorn when you heat them up. When you eat the popcorn, they get into your bloodstream and can remain in your body for a long time.

PFCs have been so widely used that about 98 percent of Americans already have this chemical in their blood. That’s why health experts have been trying to figure out whether PFCs are related to cancer or other diseases.

To find out how these chemicals might affect people, a group of researchers known as the C8 Science Panel studied the effects of PFOA exposure on residents who lived near DuPont’s Washington Works manufacturing plant in West Virginia.

The plant had been releasing PFOA into the environment since the 1950s.

After several years of research, the C8 researchers linked PFOA exposure to several health conditions in humans, including kidney cancer and testicular cancer.

The U.S. Food and Drug Administration (FDA) conducted its own review of PFOA from a range of sources, including microwave popcorn bags and nonstick food pans. It found that microwave popcorn could account for more than 20 percent of the average PFOA levels in Americans’ blood.

As a result of the research, food manufacturers voluntarily stopped using PFOA in their product bags in 2011. Five years later, the FDA went even further, banning the use of three other PFCs in food packaging. That means the popcorn you buy today shouldn’t contain these chemicals.

However, since the FDA’s review, dozens of new packaging chemicals have been introduced. According to the Environmental Working Group, little is known about the safety of these chemicals.

Microwave popcorn has also been linked to a serious lung disease called popcorn lung. Diacetyl, a chemical used to give microwave popcorn its buttery flavor and aroma, is linked to severe and irreversible lung damage when inhaled in large amounts.

Popcorn lung makes the small airways in the lungs (bronchioles) become scarred and narrowed to the point where they can’t let in enough air. The disease causes shortness of breath, wheezing, and other symptoms similar to those of chronic obstructive pulmonary disease (COPD).

Two decades ago the risk for popcorn lung was mainly among workers in microwave popcorn plants or other manufacturing plants who breathed in large amounts of diacetyl for long periods of time. Hundreds of workers were diagnosed with this disease, and many died.

The National Institute for Occupational Safety and Health studied the effects of diacetyl exposure at six microwave popcorn plants. The researchers found a link between long-term exposure and lung damage.

Popcorn lung wasn’t considered a risk to consumers of microwave popcorn. Yet one Colorado man reportedly developed the condition after eating two bags of microwave popcorn a day for 10 years.

In 2007, major popcorn manufacturers removed diacetyl from their products.

Chemicals linked to cancer and popcorn lung have been removed from microwave popcorn in recent years. Even though some chemicals that remain in the packaging of these products may be questionable, eating microwave popcorn from time to time shouldn’t pose any health risks.

But if you’re still worried or consume a lot of popcorn, there’s no need to give it up as a snack.

Try air-popping popcorn

Invest in an air popper, like this one, and make your own version of movie-theater popcorn. Three cups of air-popped popcorn contains only 90 calories and less than 1 gram of fat.

Make stovetop popcorn

Make popcorn on the stovetop using a lidded pot and some olive, coconut, or avocado oil. Use about 2 tablespoons of oil for every half cup of popcorn kernels.

Add your own flavors

Boost the flavor of air-popped or stovetop popcorn without any potentially harmful chemicals or excessive salt by adding your own toppings. Spray it with olive oil or freshly grated Parmesan cheese. Experiment with different seasonings, such as cinnamon, oregano, or rosemary.

A couple of chemicals that were once in microwave popcorn and its packaging have been linked to cancer and lung disease. But these ingredients have since been removed from most commercial brands.

If you’re still concerned about the chemicals in microwave popcorn, make your own popcorn at home using the stove or an air popper.

Microwave Popcorn Cancer: Does it Really Cause Cancer? (2024)

FAQs

Microwave Popcorn Cancer: Does it Really Cause Cancer? ›

Microwave popcorn does not cause cancer in itself, but the packaging that companies use for these products and some other foods can contain PFAS. Research has linked PFAS exposure to cancer.

Is microwave popcorn a cancer risk? ›

Chemicals linked to cancer and popcorn lung have been removed from microwave popcorn in recent years. Even though some chemicals that remain in the packaging of these products may be questionable, eating microwave popcorn from time to time shouldn't pose any health risks.

Is microwave popcorn really bad for you? ›

Even so, microwave popcorn can be extremely high in saturated fat and sodium, both of which increase the risk of heart attack and stroke. To reduce your risk, either choose "light" microwave popcorn or use an air popper. You should also go light on the salt and butter, or skip them altogether.

Is microwave popcorn radiation harmful? ›

You can't get cancer from microwave popcorn or other “zapped” foods. Microwave radiation is non-ionizing and can't affect cellular development or contribute to cell mutation.

Do all microwave popcorn bags have PFAS? ›

Some microwave popcorn bags also contain PFAS, which the EPA calls “forever chemicals.” PFAS will leach into the popcorn when you make it, and there is evidence they accumulate in the body after eating microwave popcorn.

Is there a microwave popcorn that is safe? ›

"Look for popcorn that is made with simple, whole-food ingredients, such as non-GMO corn, sea salt, and healthy oils like coconut or avocado oil," Trista Best, MPH, RD, LD, at Balance One Supplements, tells Eat This, Not That! "Avoid brands that contain artificial flavors, colors, or preservatives."

How often can I eat microwave popcorn? ›

Considering the questions that continue to surround the safety of consuming PFAS, we think it would be reasonable to curtail the daily use of microwave popcorn. Instead, you could save it for an occasional treat. If your kids are flexible, you might switch to a different type of evening snack.

Is microwave popcorn worse than potato chips? ›

They found that 15 calories of popcorn were as filling as 150 calories of potato chips ( 18 ). Because of its low calorie content, low energy density, high fiber content and increased satiety, eating popcorn may help you eat fewer calories and lose weight.

Is microwave popcorn worse than air-popped? ›

Air-popped popcorn is a healthy snack, but it's best to avoid microwave popcorn. It is usually high in salt, which raises the risk of high blood pressure (hypertension) and stroke.

Does Orville Redenbacher have PFAS? ›

All food made in Conagra's facilities in the U.S. and Canada after July 30, 2015 is in non-BPA lined packaging. In addition, Orville Redenbacher's popcorn packaging are no longer being produced in the PFAS structure. We hope this helps.

Is popcorn bad for the kidneys? ›

This popular snack food is a classic! Naturally low in sodium and fat, popcorn is a good kidney diet snack. Do consult your dietitian about which popcorn to chooses, as some come with added salt, cheese, butter or nuts. DaVita dietitians have created kidney-friendly versions of favorite popcorn recipes.

Can radiation from a microwave harm you? ›

Microwaves are non-ionizing radiation, so they do not have the same risks as x-rays or other types of ionizing radiation. But, microwave radiation can heat body tissues the same way it heats food. Exposure to high levels of microwaves can cause skin burns or cataracts.

Is Orville Redenbacher real? ›

Orville Redenbacher isn't just a brand name; he was a real person. Born in 1907 in a small town in Indiana, Orville was named after Orville Wright of the Wright brothers. His father was a farmer, and Orville got involved in agriculture from a young age. At just 12, he started a small business growing popcorn.

Which microwave popcorn does not contain diacetyl? ›

Manufacturers have taken that concern to heart: The country's largest makers of microwave popcorn—ConAgra, General Mills, American Pop Corn Company, and Pop Weaver— no longer use diacetyl in their products, which include Act II, Orville Redenbacher, Pop Secret, Pop Weaver, and Jolly Time.

Does all popcorn have acrylamide? ›

The average content of acrylamide in traditional popcorn was determined to be 7.7 mg/kg which was higher than the average value of 3.08 mg/kg found in industrial popcorn. Significant difference was observed between industrial and traditional popcorn samples.

Do ziplock bags have PFAS? ›

Although Ziploc bags do not contain PFAS, many other products and substances you come in contact with daily, like foods and liquids, may be contaminated.

Does microwave popcorn have acrylamide? ›

Research has shown that microwaved popcorn generally produces lower acrylamide levels than the traditionally heated air popped version.

Is microwave popcorn bad for your kidneys? ›

Naturally low in sodium and fat, popcorn is a good kidney diet snack. Do consult your dietitian about which popcorn to chooses, as some come with added salt, cheese, butter or nuts. DaVita dietitians have created kidney-friendly versions of favorite popcorn recipes. Consider popping up a batch for tonight's snack.

Is pre-popped popcorn healthy? ›

Many have asked, how is pre-popped popcorn healthy? Well, for starters, pre-popped popcorn contains much less salt than bagged popcorn. It also contains less sugar, grease, and calories. In past studies, microwavable popcorn was linked to harmful chemicals such as diacetyl.

Is popcorn unhealthy? ›

Yes, popcorn is fun, but it's also healthy. Popcorn is a whole grain and a good source of fiber. And 3 cups of plain, air-popped popcorn weighs in at only about 95 calories.

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