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Don't Use Plastic for Heating Foods in
a Microwave Oven Because of Exposure to Dioxins-Fiction! &
Heated Bottles of Water Are
Dangerous and Caused Sheryl Crow's Cancer-Fiction!
of the eRumor: There are a several versions of
The first to appear on the Internet was a message
that says a Dr. Edward Fujimoto from the Castle Hospital (no
location mentioned) appeared on television and said plastic containers
should not be used for heating foods in a microwave oven. He
said this is especially true if the foods contain fat. The message
claims that the
combination of fats and plastics will release dioxins into the food and into the cells of the body with a risk of cancer. The
doctor recommended using glass, Corning Ware, or ceramic containers instead in order to avoid the dioxin. Prepared foods such as TV
dinners should be taken out of plastic containers before heating.
The second version tells the story of a seventh-grade student who
decided to do some experiments with microwave radiation on food
wrapped in plastic. She is said to have enlisted the help of
the National Center for
"Toxicological" Research in Arkansas. The
student allegedly found that not only are there carcinogens migrating from
the plastic into food during microwaving, but other substances as
well. This eRumor also lists an article about Dr. Edward
Fujimoto saying that he appeared on a TV station in Huntsville,
Another version claims all this was in newsletters from Johns
Hopkins University and Walter Reed Army Medical center.
Yet another version says that singer Sheryl Crow, who is suffering
from breast cancer, got her cancer from drinking from plastic water
bottles left in the sun and that got too hot and, as a result, were
contaminated with dioxins.
Truth: TruthOrFiction.com has not been able to
find any research that supports the fear that food can become
contaminated with dioxins either from plastic wrap or plastic in
It's an understandable concern because dioxins are among the most
poisonous chemical group known and steps have been taken by many
world governments to reduce the amounts of dioxins in the
Dr. Edward Fujimoto is real and is the Manager of the Wellness and Lifestyle Medicine Department at Castle Medical Center in Hawaii.
(not Alabama). Part of this
eRumor is the result of an interview he did on KHON-TV channel 2 in Hawaii on January 23, 2002.
TruthOrFiction.com contacted Dr. Fujimoto who said the eRumor
quoted him fairly accurately. His concern was whether a
combination of ingredients, especially plastics and food fats,
could result in food being contaminated by dioxins when heated in
a microwave. That is his observation and he claims to have research
substantiating it. TruthOrFiction.com has twice asked
for him to give us that research but has never received it. He said that he is surprised about how little Americans know about dioxins in everyday life because in Japan, the majority of the population knows about them and the country has enacted regulations to protect its people.
He explained that
in his view, heating food in a plastic container will produce the release of dioxins and fat will absorb them. The amount of migration of dioxins to fat, he said, will be a function of the heat in the microwave, the type of plastic, the length of time of exposure, and the amount of fat that is in contact.
Dr. Fujimoto pointed out that
the amounts of dioxins in any given piece of plastic or food that is microwaved in plastic is very small, but that the problem is that dioxins get into the human body and accumulate. He sad that in Japan, there has been a complete change in the way foods are packaged so that plastic is avoided. They use more glass, for
In early 2004, a corrupted version of the eRumor started circulating
that made it appear as though Dr. Fujimoto was also concerned about
putting water in plastic bottles and freezing it, but he never
addressed that. This version of the eRumor also made it sound as though the plastic
itself was the problem, not the plastic in combination with food and
heat. It says, for example, that the heat causes dioxin (sic) to
"drip from the plastic" into the food but none of the
researchers has claimed that.
A variation of the bottled water version said that was how singer
Sheryl Crow got cancer, by drinking bottled water and that she
appeared on the Ellen show or the Oprah show to tell the story. Crow
has been treated for breast cancer but she's never blamed it on
Another version of eRumor about the seventh-grader has been a little more
difficult to detail. We've confirmed that there is a Dr. Jon
Wilkes at the National Center for Toxilogical Research who, along
with a Claire V. Nelson, published a paper at a professional event
in Orlando, Florida in 1998 and it was on the subject of food
contamination from plastic wrap. We've not found the actual study,
however, and have never received a response from Dr. Wilkes. The
eRumor about Jon Wilkes and Claire Nelson appears to have come
from the Options Newsletter published by People Against
Cancer at www.peopleagainstcancer.com.
The folks who make Saran Wrap have responded to the eRumor. A statement by the SC Johnson company says the "plasticizer"
in Saran Wrap is derivative of naturally occurring citric acid found in citrus fruits
and is 100% dioxin free. The statement further adds that
dioxins can only be formed with chlorine is combined with the
kinds of high temperatures associated with waste incinerators,
temperatures like 1,500 degrees F. Even the most powerful
microwaves are not capable of those temperatures, according to the
company. SC Johnson says none of its products contains
According to the U.S. Environmental Protection Agency, dioxins are
both natural and man-made. The man-made dioxins are released
into the air from sources like waste incineration, from burning
fuels (like wood, coal or oil), and certain types of chemical
processing. Almost every person has been exposed to low
levels of dioxins and the EPA says there is research that suggests
that high levels of dioxins may be correlated with various health
problems, although some of that is extrapolated from studies of
animals, not humans.
The only reference we could find about
dioxins and microwaves was from an FDA publication that was
concerned about dioxins resulting from the bleached manufacture of
paper goods including milk cartons and some paper containers for
microwave dinners. That was not about plastics and high
temperatures, however, and the levels of dioxins were described as
The Food and Safety Inspection Service of the U.S. Department of
Agriculture has published guidelines for safe cooking in microwave
ovens and warns against using materials that are not regarded as
microwave safe. CLICK
HERE for those guidelines. You'll note that one of
the guidelines is to avoid letting plastic wraps touch food. That is another issue, however, and not related to dioxins or high
heat in microwaves.
The Food and Drug Administration has also issued a statement about
plastics and microwaves.vCLICK
HERE for that
The American Plastics Council has also posted a page on the subject. CLICK
HERE for their take on
the dioxin question.
Somewhere along the way someone decided to add that all this
information had appeared in newsletters from Johns Hopkins
University and Walter Reed Army Medical center but neither has
promoted the dioxin story.
Even though Johns Hopkins has not been the source of the eRumor,
there have been enough emails that falsely attributed the story to
them that the Johns
Hopkins Bloomberg School of Public Health asked Dr. Rolf Halden, a
professor in the Department of Environmental Health Services at the
school's Center for Water and Health to address the concerns over
dioxins. He said that the principal sources of dioxins are from
various combustion processes including natural events such as wild
fires and volcanic eruptions. Plastics do not actually contain
dioxins, he said, but wastes that contain certain compounds can
serve as dioxin precursors when incinerated. According to Halden,
most people are exposed to dioxins when eating meat and fish rich in
fat because dioxins that have been sent into the atmosphere become
attached to particles that fall back to the earth and get
concentrated and store in the fat of fish and other animals.
Halden said that the alleged danger or freezing water in plastic
bottles is unfounded and an urban legend. First, because there
are no dioxins in plastics. Second because freezing actually
inhibits the release of chemicals. He said people should be
more concerned about the quality of the water in the bottles, not
the bottles themselves. He added that there is another group
of chemicals added to plastics to make them flexible and less
brittle that could disrupt endocrine functions in humans and animals
and that heating up the plastics could increase their being released
into water and food.
Regarding cooking with plastics, Halden said that whenever you heat
something it increases the likelihood that chemicals could be pulled
out. he recommends using heat-resistant glass or ceramics for
microwave cooking, just to be safe.
Last updated 6/6/07
HEREfor a summary about dioxins from the United States Food and Drug
real example of the eRumor as it has appeared on the Internet:
On Channel 2 this morning. They had a Dr. Edward
Fujimoto from Castle Hospital on the program. He is the manager of the Wellness Program at
the hospital. He was talking about dioxins and how bad they are for us.
He said that we should not be heating our food in the microwave using plastic containers. This applies to
foods that contain fat. He said that the combination of fat, high heat and plastics
releases dioxins into the food and ultimately into the cells of the body.
Dioxins are carcinogens and highly toxic to the cells of our bodies. Instead, he recommends using glass, Corning Ware, or ceramic containers for
heating food. You get the same results without the dioxins. So such things as TV dinners, instant saimin and soups, etc. should be removed from the
container and heated in something else.
Paper isn't bad but you don't know what is in the paper. Just safer to use tempered glass, Corning
Ware, etc. He said we might remember when some of the fast food restaurants moved away from the
foam containers to paper. The dioxin problem is one of the reasons.
Pass this on to your family and friends.
As a seventh grade student, Claire Nelson learned
that di(ethylhexyl)adepate (DEHA), considered a
carcinogen, is found in plastic wrap. She also learned
that the FDA had never studied the effect of microwave
cooking on plastic-wrapped food.
Claire began to wonder: "Can cancer-causing
seep into food covered with household plastic wrap
while it is being microwaved?"
Three years later, with encouragement from her high
school science teacher, Claire set out to test what the
FDA had not. Although she had an idea for studying
the effect of microwave radiation on plastic-wrapped
food, she did not have the equipment. Eventually, Jon
Wilkes at the National Center for Toxicological Research
in Jeferson, Arkansas, agreed to help her. The research
center, which is affiliated with the FDA, let her use its
facilities to perform her experiments, which involved
microwaving plastic wrap in virgin olive oil.
Claire tested four different plastic wraps and
just the carcinogens but also xenoestrogen was migrating
[into the oil].... " Xenoestrogens are linked to low sperm
counts in men and to breast cancer in women.
Throughout her junior and senior years, Claire made a
couple of trips each week to the research center, which
was 25 miles from her home, to work on her experiment.
An article in Options reported that "her analysis
that DEHA was migrating into the oil at between 200 parts
and 500 parts per million. The FDA standard is 0.05 parts
per billion." Her summarized results have been published
in science journals. Claire Nelson received the American
Chemical Society's top science prize for students during
her junior year and fourth place at the International Science
and Engineering Fair (Fort Worth, Texas) as a senior.
"Carcinogens -- At 10,000,000 Times FDA
May 2000. Published by People Against Cancer, 515-972-4444
On Channel 2 (Huntsville, AL) this morning they had a
Dr. Edward Fujimoto from Castle Hospital on the program.
He is the manager of the Wellness Program at the hospital.
He was talking about dioxins and how bad they are for us.
He said that we should not be heating our food in the
microwave using plastic containers. This applies to foods
that contain fat. He said that the combination of fat, high heat
and plastics releases dioxins into the food and ultimately into
the cells of the body. Dioxins are carcinogens and highly
toxic to the cells of our bodies. Instead, he recommends
using glass, Corning Ware, or ceramic containers for heating
food. You get the same results without the dioxins.
So such things as TV dinners, instant saimin and
should be removed from the container and heated in
something else. Paper isn't bad but you don't know what is
in the paper. Just safer to use tempered glass, Corning Ware,
He said we might remember when some of the fast food
restaurants moved away from the foam containers to paper.
The dioxin problem is one of the
To add to this: Saran wrap placed over foods as they
with the high heat, actually drips poisonous toxins into the food.
Use paper towel instead.
Pass this on to your friends...
This is how Sheryl Crow got breast cancer she was on
the Ellen show and She said this same exact thing.The
doctor told her: women should not drink bottled water that has been
left in a car.The
doctor said that the heat and the plastic of the bottle have certain
chemicals that can lead to breast cancer.The heat causes toxins from the plastic to leak into the water
and they have found these toxins in breast tissue.
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