The Truth About Organic Food

Study Rubbishes Organic Food, Or Does It?

Is organic food better for you?

Or just an expensive waste of money?

With so much confusion and debate on the organic food topic (not to mention conflicting evidence), we thought it’d be a good idea to take a closer look and discover the truth.

The Truth About Organic Food blog cover

It’s a question that often hear at our Functional Medicine clinics.

There has been much debate in recent years as to whether organic food is healthier for you than conventional food, and consequently whether it’s worth paying the extra price for organic.

A study from Stanford University (1) caused quite a stir recently when it

claimed that organic food doesn’t always contain more nutrients than conventionally grown foods.

However what they also found was that organic food contained 30% less pesticides (guess which part made the newspaper headlines – it wasn’t the bit about fewer pesticides).

In my opinion, even if there is little difference in nutrient content (and there is research that shows organic food does contain more nutrients), a decreased exposure to harmful toxins is a good thing.

Added growth hormones, antibiotics, pesticides and insecticides, which can play an important role in the development of disease, are well worth avoiding by going organic.

Organic Standards?

In the UK, the DEFRA Compendium of organic standards offers a baseline for all UK organic production.

Each certification body has its own standards, based on this Compendium.

It lists what materials, methods, and substances can be used in organic farming and food production. 

For food to be labelled as organic, food producers must conform to the strict regulations set out by the certification body.  

As a result, eating organic can reduce your exposure to harmful pesticides, insecticides, hormones and antibiotics. 

Organic beef, chicken, and poultry are raised on 100% organic feed and never given antibiotics or hormones; in addition, their meat is never irradiated.

Organic milk and eggs come from animals not given antibiotics or hormones and fed 100% organic feed for the previous 12 months (free-range eggs come from hens that are allowed to roam, but they are not guaranteed to be organic.)

Some shocking facts about non-organic food & your health

Here are some facts about non-organic food that most people don’t know:

Here are some facts about non-organic food that most people don’t know:

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The increased cost of organic foods compared to conventionally grown foods, can make it difficult to switch to a 100% organic diet.

So it’s worth knowing which foods are generally more heavily contaminated with hormones, pesticides and herbicides than others.

The Environmental Working Group(a non-profit organisation that focuses on protecting public health and the environment regarding public policy) publishes the lists below (Dirty Dozen™ and Clean 15 ™); they are updated annually.

Foods are listed in order of importance.

The Dirty Dozen & Clean 15

Dirty Dozen Clean 15

Highest in Pesticides:

in 2019, these 12 popular fruits and vegetables were considered to be the most contaminated with pesticides, so buy organic:

Lowest in Pesticides:

in 2019, these 15 popular fruits and vegetables were considered to be the least contaminated with pesticides:

Aubergine (Eggplant)
Honeydew melons
Sweet peas (frozen)
+ Hot peppers (chilies)

And one last important reminder; remember that water also feeds your body, and can contain toxic heavy metals. Limit exposure by drinking filtered or bottled water.

To your optimised, healthy future,

Dee & the Coho Health team

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Smith-Spangler C, Brandeau ML, Hunter GE, Bavinger JC, Pearson M, Eschbach PJ, Sundaram V, Liu H, Schirmer P, Stave C, Olkin I, Bravata DM (2012). Are organic foods safer or healthier than conventional alternatives?: a systemic review.  Ann Intern Med 157(5):348-66.



Bouchard MF, Chevrier J, Harley KG, Kogut K, Vedar M, Calderon N, Trujillo C, Johnson C, Bradman A, Barr DB, Eskenazi B (2011). Prenatal exposure to organophosphate pesticides and IQ in 7-year old children. Environ Health Perspect. 119(8):1189-95.



Rauh VA, Perera FP, Horton MK, Whyatt RM, Bansal R, Hao X, Liu J, Barr DB, Slotkin TA, Peterson BS (2012). Brain anomalies in children exposed prenatally to a common organophosphate pesticide. Proc Natl Acad Sci U S A15;109(20):7871-6.



Bouchard MF, Bellinger DC, Wright RO, Weisskopf MG (2010). Attention-deficit/hyperactivity disorder and urinary metabolites of organophosphate pesticides. Pediatrics 125(6):e1270-7.



Iaglova NV, Iaglov VV (2012). [Endocrine disruptors are a novel direction of endocrinologic scientific investigation]. Vestn Ross Akad Med Nauk. (3):56-61.



Food and Drug Administration (FDA) (2009). Summary Report on Antimicrobials Sold or Distributed for Use in Food-Producing Animals [Online]. Available at (Accessed 9 Sep 12).



Aris A, Leblanc S (2011). Maternal and fetal exposure to pesticides associated to genetically modified foods in Eastern Townships of Quebec, Canada. Reprod Toxicol 31(4):528-33.



Expert Committee on Pesticide Residues in Food (2012). Pesticide Residues Monitoring Programme for Quarter 4 2011 [Online]. Available at (Accessed 9 Sep 12).

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