We often hear that organic, and especially certified organic food, is healthier for children, but what are the actual benefits? Overall, the growing, sourcing, and handling practices that are used in producing organic fruit, vegetables, dairy, and meats are aimed at providing products that are cleaner and closer to the way they were grown before mass (conventional) farming became routine.
Conventional farming aims for consistency and robustness, which means that every single apple or tomato looks identical, perfect on the shelf, lasts a long time without going bad, and there is less waste during collection.
With organic foods, the opposite is true. Organic foods tend to be more “natural” looking, which means they may not be as perfect or robust as conventional foods, and there is more that doesn’t get used. The upside, as some agree, is the taste.
For closely related guidance, read our article: Why You Should Choose Organic for Your Bub?.
Free from Pesticides, Herbicides, and Other Chemicals
One of the biggest advantages of organic produce is that there are restrictions on the use of organic chemicals in the growing phase, including herbicides, pesticides, and chemical fertilisers.
In conventional farming, these are used to control problems such as insect infestations, weeds, and plant diseases. But the big problem is that these chemicals leave behind residues that get carried over into the plants and eventually into foods.
For children, pesticide and organic chemical residues are toxic to the brain[1], causing delays in cognitive development, which can impact their learning progress. There is also evidence of links to cancer formation[2].
Free from Synthetic Fertilisers
Conventional fertilisers are made in factories and added to the soil to accelerate plant growth. One of the problems with these chemicals is that they may not contribute to soil quality and shift the natural biological profile of the soil. They also present a sustainability problem because they use a significant amount of fossil fuels to produce.
Organic growing practices increasingly rely on organic fertilisers. These are derived from natural products like decomposed plant matter, returning to the soil in the way leaf litter in a forest becomes composted over time. They are also released more slowly than conventional fertilisers.
Evidence has shown that tomatoes produced with bioorganic fertilisers had better yields, improved vitamin C levels, and the soil they grew in showed improved soil microbes, indicating more optimal soil fertility[3].
Heavy Metals and Other Pollutants
Another advantage of organic farming practices is their control of pollutants, including heavy metals and petroleum residues from industrial processes that enter the air and accumulate in the soil. Examples of farming areas that are of concern are places located near operating or disused factories, places with heavy air and car traffic activity, and waste disposal sites.
Heavy metals are well known as having neurotoxic effects. A good example is the correlation between lead and cognitive decline in infants and children[4].
Organic food production aims to minimise the levels of heavy metals and other pollutants in foods through locating farms in cleaner areas, using sustainable soil and water practices, and avoiding the use of chemicals.
An extensive research review of 343 published studies has found that organic plants and foods that use them are around 60% higher in important antioxidants and around 50% lower in toxic heavy metals compared to conventional crops and crop-based foods[5].
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Reference
- Council On Environmental Health. Pediatrics. 2012 Dec;130(6):e1757-63. https://pubmed.ncbi.nlm.nih.gov/23184103/
- Alavanya et al. Annu Rev Public Health. 2004; 25:155-97.https://pubmed.ncbi.nlm.nih.gov/15015917/
- Ye et al. Sci Rep. 2020 Jan 13;10(1):177.https://pubmed.ncbi.nlm.nih.gov/31932626/
- Delgado et al. J Public Health Manag Pract. Mar/Apr 2018;24(2):e10-e17. https://pubmed.ncbi.nlm.nih.gov/28257404/
- Baranski et al. Br J Nutr. 2014 Sep 14;112(5):794-811. https://pubmed.ncbi.nlm.nih.gov/24968103/
Disclaimer: This guide is for informational purposes only and should not be used to diagnose health conditions or make changes to medical treatments. Always consult with your healthcare professional for advice.












