Chemicals and Autism's Important Connection

While the exact causes of autism are not yet fully understood, there is a growing body of evidence that suggests that chemicals in our environment may play a role in the development of autism.

reuben kesherim
Ruben Kesherim
July 8, 2023

Chemicals and Autism's Important Connection

Chemicals are all around us, from the food we eat to the air we breathe. While many of these chemicals are harmless, others can have a negative impact on our health. Some chemicals have been linked to a wide range of health problems, including autism.

One class of chemicals that has been linked to autism is known as endocrine disruptors.

These chemicals interfere with the body's hormonal system, which can have a negative impact on development. Endocrine disruptors can be found in many everyday products, including plastics, pesticides, and personal care products.

chemicals and autism

Studies have shown that exposure to endocrine disruptors during pregnancy can increase the risk of autism in children.

For example, a study published in the journal Environmental Health Perspectives found that women who were exposed to high levels of bisphenol A (BPA), an endocrine disruptor found in some plastics, during pregnancy were more likely to have children with autism.

Another study, published in the journal Environmental Research, found that exposure to organophosphate pesticides during pregnancy was associated with an increased risk of autism in children. Organophosphate pesticides are commonly used in agriculture, and can be found on many fruits and vegetables.

While the exact mechanisms by which these chemicals may contribute to the development of autism are not yet fully understood, it is thought that they may interfere with brain development.

The developing brain is particularly vulnerable to the effects of environmental toxins, and exposure to these toxins during critical periods of development may alter the way the brain develops.

While chemicals may play a role in the development of autism, they are not the only factor. Autism is a complex disorder, and genetic factors also play a role. However, reducing exposure to harmful chemicals may be one way to help reduce the risk of autism.

There are steps that individuals can take to reduce their exposure to harmful chemicals. For example, choosing organic fruits and vegetables can help reduce exposure to pesticides.

Avoiding plastic containers and choosing glass or metal containers can help reduce exposure to BPA and other endocrine disruptors.

Using natural personal care products, such as those made with essential oils, can also help reduce exposure to harmful chemicals.

Chemicals That Cause Autism

The Children's Environmental Health Center (CEHC) developed a list of ten chemicals found in consumer products that are suspected to contribute to autism and learning disabilities to guide a research strategy to discover potentially preventable environmental causes. The top ten chemicals are:

  1. Lead
  2. Methylmercury
  3. PCBs
  4. Organophosphate pesticides
  5. Organochlorine pesticides
  6. Endocrine disruptors
  7. Automotive exhaust
  8. Polycyclic aromatic hydrocarbons
  9. Brominated flame retardants
  10. Perfluorinated compounds

Long-term Effects of Chemicals on People Without Autism

While the focus of this document is on the link between chemicals and autism, it's important to note that exposure to harmful chemicals can have long-term effects on people without autism as well.

For example, exposure to lead has been linked to a range of health problems, including developmental delays, learning difficulties, and behavioral problems.

Similarly, exposure to pesticides has been associated with an increased risk of cancer, reproductive problems, and neurological disorders.

While it may be difficult to completely eliminate our exposure to harmful chemicals, there are steps we can take to reduce our risk. Choosing organic foods whenever possible can help reduce exposure to pesticides.

Using natural cleaning products and avoiding harsh chemicals can also help reduce our overall exposure. In addition, supporting policies that regulate the use of harmful chemicals in consumer products can help protect public health and prevent long-term harm from these substances.

Long-term Effects of Chemical Exposure on Individuals with Autism

While the short-term effects of exposure to harmful chemicals on individuals with autism are well-documented, the potential long-term effects are less clear.

Research has suggested that exposure to certain chemicals may exacerbate symptoms of autism, such as difficulty with social interaction and communication. However, there is limited research on the potential long-term effects of chemical exposure on individuals with autism.

One study found that children with higher levels of certain types of chemicals in their blood were more likely to have lower cognitive function and increased hyperactivity compared to children with lower levels of these chemicals.

Other studies have suggested that exposure to certain chemicals may be linked to an increased risk of developing other health problems, such as cancer or neurological disorders.

Further research is needed to fully understand the long-term effects of chemical exposure on individuals with autism. In the meantime, it is important for individuals with autism and their caregivers to take steps to reduce their exposure to harmful chemicals in order to minimize potential risks.

Worst Chemicals To Avoid

When it comes to reducing exposure to harmful chemicals, it's important to know which chemicals are the worst offenders. While there are many chemicals that should be avoided whenever possible, some are particularly concerning.

One of the worst chemicals to avoid is lead. Lead exposure can have serious health consequences, including developmental delays, learning difficulties, and behavioral problems. Children are particularly vulnerable to the effects of lead exposure.

Another chemical to avoid is mercury. Mercury exposure has been linked to a range of health problems, including neurological damage and developmental delays.

Pesticides are also a major concern when it comes to harmful chemicals. Organophosphate pesticides in particular have been linked to an increased risk of autism and other developmental disorders.

Endocrine disruptors, such as BPA and phthalates, should also be avoided whenever possible. These chemicals can interfere with hormonal function and may contribute to a range of health problems, including reproductive issues and cancer.

Finally, flame retardants should be avoided whenever possible. These chemicals have been linked to a range of health problems, including developmental delays and thyroid dysfunction.

While it may be difficult to completely eliminate our exposure to these harmful chemicals, taking steps such as choosing organic foods and natural personal care products can help reduce our overall exposure. It's also important for policymakers to regulate the use of these chemicals in consumer products in order to protect public health.

Foods High In Chemicals

While it's important to be aware of the chemicals in our environment, it's also important to consider the chemicals in our food. Many foods contain harmful chemicals such as pesticides, preservatives, and artificial colors and flavors.

Some foods are particularly high in these chemicals. For example, conventionally grown apples are often treated with multiple pesticides, making them one of the most contaminated fruits.

Similarly, conventionally grown strawberries have been found to contain high levels of pesticides, including some that are known endocrine disruptors.

Processed foods are also a concern when it comes to chemical exposure. These foods often contain preservatives and artificial additives that can have negative health effects.

Choosing organic fruits and vegetables whenever possible can help reduce exposure to harmful pesticides. Additionally, choosing whole foods over processed foods can help reduce overall exposure to harmful chemicals in our diet.

By being mindful of the chemicals in our food and making informed choices about what we eat, we can help minimize our overall exposure to these harmful substances.

Common Household Items With Autism-Causing Chemicals

It's not just food and the environment that we need to be wary of when it comes to harmful chemicals. Many common household items also contain chemicals that have been linked to autism and other developmental disorders.

One such item is flame-retardant furniture. Flame retardants contain polybrominated diphenyl ethers (PBDEs), which have been linked to an increased risk of autism and other cognitive problems.

Some cleaning products, particularly those with strong fragrances, can also contain harmful chemicals. Phthalates are often used in fragrance formulations, and have been linked to an increased risk of autism.

Another common household item that may contain harmful chemicals is non-stick cookware. These pans are coated with perfluorinated compounds (PFCs), which have been associated with an increased risk of developmental disorders.

Additionally, some types of flooring may contain harmful chemicals. Vinyl flooring, for example, may contain phthalates and other chemicals that can interfere with hormonal function and contribute to a range of health problems.

By being mindful of the potential risks posed by these common household items, we can take steps to reduce our overall exposure to harmful chemicals and potentially reduce the risk of autism and other developmental disorders.

How To Avoid Autism-Causing Chemicals

Avoiding all chemicals that could potentially cause autism is nearly impossible, but there are steps you can take to reduce your exposure. Here are some tips for avoiding autism-causing chemicals:

  1. Choose organic foods whenever possible: Organic foods are grown without the use of synthetic pesticides and fertilizers, reducing your exposure to harmful chemicals.
  2. Use natural personal care products: Many personal care products contain harmful chemicals such as phthalates and parabens. Look for products made with natural ingredients, or make your own using essential oils and other natural ingredients.
  3. Avoid plastic containers: Plastic containers may contain endocrine disruptors such as BPA and phthalates. Instead, choose glass or metal containers.
  4. Filter your water: Many municipal water supplies contain traces of harmful chemicals such as lead and fluoride. Use a water filter to eliminate these contaminants from your drinking water.
  5. Choose non-toxic cleaning products: Many cleaning products contain harmful chemicals such as ammonia and bleach. Look for non-toxic alternatives made with natural ingredients like vinegar and baking soda.

While it may be difficult to completely eliminate your exposure to harmful chemicals, taking these steps can help reduce your overall risk of developing autism or other health problems associated with chemical exposure.

Summary

In conclusion, there is a growing body of evidence that suggests that chemicals in our environment may play a role in the development of autism.

While chemicals are not the only factor, reducing exposure to harmful chemicals may be one way to help reduce the risk of autism.

By taking steps to reduce exposure to harmful chemicals, we can help protect our health and the health of future generations.

Sources

  1. https://www.healthline.com/health-news/prenatal-phthalate-exposure-linked-to-autism-risk
  2. https://publications.aap.org/pediatrics/article/149/1/e2021053012/183720/Considering-Toxic-Chemicals-in-the-Etiology-of
  3. https://sparkforautism.org/discover_article/researchers-look-for-clues-to-autism-in-the-environment/
  4. https://ehp.niehs.nih.gov/doi/10.1289/EHP4386
  5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4855851/
  6. https://www.sciencedaily.com/releases/2012/04/120425140118.htm