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Meat Fumes: Dietary Secondhand Smoke?

A year ago I posted a two minute video entitled Carcinogens in the Smell of Frying Bacon, in which I described the ability of the fumes generated by frying meat to mutate DNA. This helped explain both the increased risk of respiratory tract cancer among cooks as well as the lower proportion of deaths from respiratory diseases and lung cancer among vegetarians.

If you are going to cook something like bacon and eggs, the barbeque people have the right idea—do it outdoors in the fresh air. Up to 10 times the amount of particles are deposited deep into the lung of individuals cooking indoors compared to outdoors.

Pregnant women, newborns, and young children may be at particular risk. In the video above I show that the polycyclic aromatic hydrocarbons in the vapors released from cooking meat may not only increase the risk of cancer, but also be hazardous for fetal development. Pregnant women exposed to the grilling of meat—even if they don’t eat it—appear to give birth to babies with a weight deficit and a smaller head circumference.

Even just living next door to a restaurant preparing meat may pose a hazard. Researchers estimated the excess cancer cases expected among neighbors of various types of restaurants—Chinese, American-style, and barbeque joints. Guess which was type of restaurant was the riskiest? Click on the above video to find out—you may be surprised!

How else can we protect our lungs? See Preventing COPD With Diet and Treating COPD With Diet.

And how else can we protect the next generation? Feel free to check out:

In health,
Michael Greger, M.D.

PS: If you haven’t yet, you can subscribe to my videos for free by clicking here and watch my full 2012 year-in-review presentation Uprooting the Leading Causes of Death.

Image credit: Kake Pugh and Valters Krontals / Flickr

Cancer-Proofing Your Body
How Do Plant-Based Diets Fight Cancer?
Avoiding Cooked Meat Carcinogens

Read more: Health, Cancer, COPD, Diet & Nutrition, Eating for Health, General Health, Videos, , ,

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Dr. Michael Greger

A founding member of the American College of Lifestyle Medicine, Michael Greger, M.D., is a physician, author, and internationally recognized speaker on nutrition, food safety, and public health issues. Currently Dr. Greger serves as the Director of Public Health and Animal Agriculture at The Humane Society of the United States. Hundreds of his nutrition videos are freely available at


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7:06AM PDT on Sep 28, 2013

Sometimes I wonder if it is even safe to breathe.

9:22AM PDT on Apr 30, 2013


8:08AM PDT on Mar 17, 2013

As usual, most things to do with meat are unhealthy and gross - nothing new there!

12:47AM PDT on Mar 14, 2013

Thank you Dr. Greger.

4:26AM PST on Mar 9, 2013

Thank you :)

3:35PM PST on Mar 5, 2013

This is new to me, thanks.

10:00AM PST on Mar 5, 2013

Oh, puh..leez!! Get over it people! I've got a hell of a lot better things to worry about. And don't they say that too much WORRY isn't healthy???

8:19PM PST on Mar 4, 2013

Thank you for this interesting and helpful information.

5:55PM PST on Mar 4, 2013

I have some body parts that get pretty funky sometimes. Wanna write that up for causing something? Get a grip! Enough................

7:42AM PST on Mar 3, 2013

Second Hand Meat Smoke?!?! I think I have heard it all now. Some people really don't want any of us eating meat. Get over it.

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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
Care2, Inc., its employees or advertisers.

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