The 4 Underlying Causes of ADD and ADHD in Children

By Samantha Gilbert, FNC, CHNP     Last updated on April 14th, 2024

The 4 Underlying Causes of ADD and ADHD in Children

In 2012, the CDC published its Summary Health Statistics for U.S. Children: National Health Interview Survey. In it, they claimed an estimated 5.9 million U.S. children ages 3-17 were diagnosed with ADHD.

This survey also claimed boys were three times more likely than girls to have ADHD, but the statistic that stands out the most has to do with the general health status of the children surveyed. The report said that children surveyed who had a fair or poor health status were almost seven times more likely to have a learning disability, and almost four times more likely to have ADHD.

The Four Biochemical Subtypes: Recognition and Treatment

There is a growing number in both the pediatric and adult population being diagnosed with ADD/ADHD, and with it are many social ramifications. For both parents and educators, expectations are very high. In an increasing number of cases, the system becomes too involved and can lead to overdiagnosis of ADD/ADHD. It is a disorder given a name based on symptoms. This means it is a clinical diagnosis.

Consider this question: Is the actual structure of the brain and the integration of nerve cells at fault, either partially or wholly? What if you could test for challenges and imbalances with diagnostic testing and treat that person biochemically? Would the symptoms of ADD/ADHD improve once the biochemical balance is corrected?

The answer is yes.

We treat this condition as an epigenetic disorder. People are intrinsically and extrinsically different at different points in their lifetime. Genes can be influenced by environmental factors. This is called epigenetics. It’s not simply about the genes and not simply about the environment. Both are factors that contribute to biochemical imbalances in the brain which in turn will affect an entire person’s functional capacity.

This is what we see in patients who have been diagnosed ADD/ADHD, or what Dr. Albert Mensah calls the “Four Biochemical Subtypes of ADD/ADHD/FAS, or “Focus and Attention Syndromes” (FAS).

In our work, we have found that many patients diagnosed with competent disorders like ADD/ADHD, anxiety disorders, depression, and autism have a combination of chemical imbalances such as zinc deficiencies, copper toxicities, and methylation disorders. There are known biochemical components of imbalance that are often associated with various competent disorders. We can see these patterns thanks to the pioneering work of Carl Pfeiffer MD and PhD, founder of Princeton’s Brain Bio Center, and over 30 years of research by William J. Walsh, PhD, president of the non-profit Walsh Research Institute.

The Four Biochemical Subtypes of ADD/ADHD/FAS are treated with targeted nutrient and dietary therapy, designed for each patient’s specific biochemical imbalance. Some people are on ADD/ADHD medication when they come to us, while some need medication and respond very well to it. We have been very successful in reducing and eliminating ADD/ADHD medication in most of our patients. In some cases, a synergistic program of nutrient and dietary therapy as well as medication proves to be very beneficial. We have found that extended use of a targeted nutrient and dietary therapy protocol will reduce or eliminate the need for prescribed medications for patients with certain diagnoses. Each case of ADD/ADHD/FAS is handled on an individual basis.

The 4 biochemical subtypes associated with Focus and Attention Syndromes (FAS)

  • High Copper
  • Undermethylation
  • Overmethylation
  • Yeast Toxicity

High Copper

The first of the four biochemical subtypes, high copper, may play a key role in Focus and Attention Syndromes (FAS). Toxic copper should be removed by natural processes in the body, and our body is generally good at getting rid of toxins. But in many children with FAS those mechanisms break down and don’t work as efficiently as they should. There are some FAS individuals who can’t get rid of copper biochemically. Copper is hyper-excitable to our nervous systems. If you need coffee to get your body going in the morning, it’s likely due to the high copper content inside your cup.

When you have too much copper you get short-circuiting of processes and see inattention or hyperactive behaviors. Neural activity can be affected by a copper overload. We can run lab tests for a variety of additional elements that affect hyperactivity, focus, attention, and anxiety. Low zinc patients can’t regulate GABA, (Gamma Amino Butyric Acid), one of the calming neurotransmitters that are present in the brain. A proper copper/zinc balance can contribute to alleviating symptoms of Focus and Attention Syndromes (FAS) in most patients.

If a patient’s copper imbalance is from a biochemical inability to get rid of it, we call that metal dysmetabolism. This is one form of Focus and Attention Syndromes (FAS) we commonly treat. In metal dysmetabolism, the body stores excess copper and needs targeted nutrient supplementation to keep the copper/zinc ratio at an optimal level.

Undermethylation

The second of the four biochemical subtypes is undermethylation. Methylation is the ability of the body to turn on or off certain enzymes, hormones, neurotransmitters, different chemicals by way of certain methyl groups. Methyl groups (Me) have one carbon atom bonded with three or more hydrogen atoms. These methyl groups can radically alter you, your perceptions, and your behavior. It can affect the actual type of job that you get in the future.

People with few methyl groups, also called undermethylators, are perfectionistic, persistent, high achieving. Patients diagnosed with ADHD are predominantly in the undermethylation category.

Overmethylation

The third of the four biochemical subtypes is overmethylation. People with too many methyl groups, also called overmethylators, tend to be more laid back. They sit back and take it easy about things. They are also thrill-seekers. Overmethylation plays an important role in the presentation of ADD symptoms. This subset of ADD can often be seen as an early presentation of bipolar disorder. We commonly see that cross over bridge when we do biochemical testing in the overmethylated population.

Yeast Toxicity/Overgrowth

The fourth and final of the biochemical subtypes is yeast toxicity. It is very important to test for yeast presence in young children with Focus and Attention Syndromes (FAS). Poor focus, attention, impulsivity and anxiety are often related to yeast toxicity. It is a primary challenge in pediatric cases of FAS. The treatment of yeast toxicity can resolve all symptoms of ADD/ADHD/FAS. Often treatment takes three months before symptoms resolve, and treatment may need to be repeated in the course of a year to keep yeast toxicity from reoccurring.

Lastly, it’s important to understand that within the Four Biochemical Subtypes of ADD/ADHD/FAS, or Focus and Attention Syndromes (FAS), we often see a combination of biochemical imbalances. For example, it is not uncommon to have a patient with both undermethylation and yeast toxicity.

Patients diagnosed with ADD/ADHD need a comprehensive treatment plan in order to provide a true resolution to their symptoms.

If you know of someone who struggles with ADD/ADHD/FAS, please share this post. If you struggle, please share your experience in the comments below. It is through sharing your story that we create community, eliminate guilt and shame, and bring about healing.

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10 thoughts on “The 4 Underlying Causes of ADD and ADHD in Children”

  1. My son was diagnosed with ADHD in 2016 professionally and Anxiety. He is now 12, and I stead of a lot of hyperactivity, it has switched to physical inactivity, lots of weight gain and ADD instead. I reluctantly put him on meds when he was 7. At that time, the meds made him emaciated, now it is just the opposite. He is hungry all the time, is afraid of a lot of things, and just wants to relax when he is out of school and play his video games (non violent ones, thankfully). He gets along with his teachers more than his peers. When he is on the meds, they work very well but when he comes down from them, his behaviors and tantrums are extreme. I have had blood tests to test for allergies and diabetes, but not much else. Should I start with hair analysis? What is the name of the blood test to examine copper and zinc and other possible imbalances?

  2. I live in Australia and have a 7 year old son. I would love to know if i could have him tested and where to go?
    Thanks

    1. Hi Wendy, there a couple of good Australian fb pages you could join. Pyrrole disorder (pyroluria) Australia
      & Nutrient Power. They both have lists in the files for good bio & Walsh trained dr’s, or naturopaths that focus in this area. There are thousands of members who have walked before you that are happy to share their knowledge to get you on the right path ☺️

  3. Sounds right! I have ADHD and Anxiety, as does my adoptive daughter. I believe We are both Fas under methyl and yeast toxicity too! I felt good taking GABA bit was told you shouldn’t take it
    Long term. How do you test for all this? Labs? DNA? I have many snp’s.

    1. My son has all the symptoms of ADHD as well as anxiety. We have tested him with Dr. Mensah and he has a high copper-zinc ratio as well as high unbound copper. He also has Lyme. But he’s never had a vaccine or an antibiotic. Obviously I’m not a fan of vaccines, but I certainly can’t blame my kid’s FAS on them.

      1. I agree with you Sam. The jiksaw is trauma, dysbiosis, leaky gut, leaky blood brain barrier, metal dysmetabolism and developmental toxic trauma to emotional neuro-architecture. Al, hg, cadmium, arsenic and other metals involved. The maternal dysbiosis is transmitted inter generationally, so it looks genetic. I have written to the AMA, RACGP, Chief Medical Officers in Sydney and Canberra etc. Result, expelled by AMA, suspended by Medical Council , my medical registration lapses to

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