Study Shows Small Difference Between Organic and Conventional Foods

First author Dr. Crystal Smith-Spangler, MD, emphasized the overall effect of the study was to get people to make better eating habits overall.

Those looking for drastic differences in the health benefits of organic and conventional foods may be in need of another alternative for feeling fit, according to a recent study from Stanford University. Published in the Sept. 4 issue of Annals of Internal Medicine, it completed the most comprehensive meta-analysis to date in the comparison of organic and conventional foods.

The study concluded there was no strong evidence organic foods are more nutritious, nor did they carry fewer health risks than their conventional counterparts. The authors did find that consuming organic foods can lower the risk of pesticide exposure, however.

"There isn't much difference between organic and conventional foods, if you're an adult and making a decision based solely on your health," said Dr. Dena Bravata, MD, the senior author of the paper. Bravata went on to note that the results of the study are not intended to discourage people from eating organic foods, as there are plenty of other reasons to buy organic versus conventional, including taste preferences, effects of conventional farming on the environment, and animal welfare.

First author Dr. Crystal Smith-Spangler, MD, an instructor at the school and a physician-investigator at VA Palo Alto Health Care System, emphasized the overall effect of the study was to get people to make better eating habits overall. "Our goal was to shed light on what the evidence is," she said. "This is information that people can use to make their own decisions based on their level of concern about pesticides, their budget, and other considerations."

Comments

Tue, Sep 25, 2012 Chris white

Editor - last week I took the time to compose and submit a respectful comment in response to this article. Today I took the opportunity to follow-up, interested in reviewing any other comments and/or responses to my post and found nothing. Was my comment rejected and, if so, why? Or is there a larger problem, since the newsletter states that readers have been commenting on this article (among others) yet nothing is showing up under this piece?

Wed, Sep 19, 2012 Lori F

Please see the following article for an excellent critique of the Stanford study: http://www.motherjones.com/tom-philpott/2012/09/five-ways-stanford-study-underestimates-organic-food

Tue, Sep 18, 2012 Chris white

Given it's numerous flaws, it is unfortunate that this report has received such widespread publicity. A narrow study design, omission of key data sources, inappropriate methodology, and questionable interpretations all set the ground for misleading findings and dismissal of the clear benefits of organic farming systems and a predominately organic diet. Those who have followed the science behind this debate will have no problem identifying its limitations; others may wish to dig deeper than the superficial treatment presented here and in the mainstream media. A good start isDr. Charles Benbrook's response at: http://www.tfrec.wsu.edu/pdfs/P2566.pdf

Tue, Sep 18, 2012 Mike Sudbury, On.

We always understood that there is not a difference but it is a great marketing idea. Also as far as detriment to the enviroment, well again we only have to look at history to clarify that organic ag. would of destroyed this planet years ago if it would not have been for science and dedicated researcher and food producers managing our resources as best they could utilising the tools available to them.

Tue, Sep 18, 2012 Paul California

It appears that the Stanford study is flawed. The sites ( 223 ) were all different, the methods of each research team were different such as soil types, time of harvesting rain fall, location etc etc. UC Davis conducted side by side tests which clearly indicate far greater benefits of organic farm methods. It appears that you are just republishing the latest press reports without researching the facts.

Tue, Sep 18, 2012 Matt Noth Houston, TX

How much more than conventional food does "organic" food cost at the grocery store?

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