Skip to content
My WebMD Sign In, Sign Up

Asthma Health Center

Font Size

Poor Diet May Affect Teen Asthma

Asthma and Diet Study Links Poor Eating Habits to Asthma Symptoms in Teens
By
WebMD Health News
Reviewed by Louise Chang, MD

July 9, 2007 -- New research on asthma and diet shows that teens with poor diets may be more likely than their peers to have asthma symptoms and worse lung function.

The findings come from a study of some 2,100 teens in 12 U.S. and Canadian communities.

In a nutshell, the teens with less than ideal diets were the most likely to have poorer lung function -- including asthma symptoms -- than their peers.

On the flip side, those eating plenty of fruits, vegetables, and omega-3 fatty acids (found in salmon and other fatty fish, walnuts, flaxseeds, and other foods) tended to have better lung function.

The researchers included Jane Burns, ScD, of the Harvard School of Public Health.

"I wish I could say that an apple a day can keep asthma away, but it's a complex disease with a genetic component," Burns says in a news release.

"However," she says, "it may be that certain foods can lessen or prevent asthma symptoms. The most important thing to remember is that diet can have a significant impact on teens' respiratory health. I would encourage them to make healthy eating a part of their routine, and stress to them that smoking is bad."

The study appears in July's edition of the journal Chest.

Asthma and Diet in Teens

The teens took lung function tests and completed surveys about their eating habits, exercise, smoking, medications, asthma, and other respiratory problems, including chronic bronchitis and wheezing.

Teens with good diets were few and far between. For instance, 86% of the teens admitted not eating at least five daily servings of fruits and vegetables.

Thirty percent of the students were overweight, 9% had asthma, 24% were smokers, and 11% took multivitamins.

Students who skimped on fruits, vitamins C and E, and omega-3 fatty acids were particularly likely to have poorer lung function and asthma symptoms, especially if they were smokers.

The study doesn't show which came first -- poor diets or poor lung function. It also doesn't rule out other influences, such as the teens' social and economic backgrounds, or their eating habits as children.

When Is Your Asthma Worse?

When Is Your Asthma Worse?

Take the WebMD Asthma assessment to get Personalized Action Plan

Start Now

Today on WebMD

Distressed woman
Slideshow
Woman holding an asthma inhaler
Article
 
Get Personalized Asthma Advice
Health Check
asthma overview
Slideshow
 
Los Angeles skyline in smog
Slideshow
man in a field with allergies
Slideshow
 
Woman holding inhaler
VIDEO
Slideshow Allergy Myths and Facts
Slideshow
 

Pollen counts, treatment tips, and more.

It's nothing to sneeze at.

Loading ...

Sending your email...

This feature is temporarily unavailable. Please try again later.

Thanks!

Now check your email account on your mobile phone to download your new app.

Man outdoors coughing
Article
Lung and bronchial tube graphic
Article
 
10 Worst Asthma Cities
Slideshow
runner
Article