What Causes ADHD? The Surprising Answer |
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What Causes ADHD? The Surprising Answer

Jaclyn Harwell February 24, 2016

By Jaclyn, Contributing Writer

I have been around the block a time or two with ADHD and related disorders (ADD, ODD, OCD, Autism, etc). When I was told to put my son on medication for ADHD when he was three, I dove in full force to learn about how to heal the disorder. What I’ve learned about what causes ADHD is both fascinating and overwhelming. Here, I’ll break it down into bite-sized pieces for you!

Key Questions About ADHD

What is ADHD?

ADHD stands for attention deficit hyperactivity disorder. The related disorder, ADD (attention deficit disorder), applies to those who struggle with short attention spans, but lack hyperactive behavior. For the sake of this post, information applies to both disorders.

How Common is ADHD?

A 2012 CDC report found that almost 10% of children ages 3-17 suffered from ADHD.

Isn’t ADHD a Brain Chemistry Imbalance?

Yes and no. A 2009 study found evidence that those suffering from ADHD “have lower-than-normal levels of certain proteins essential for experiencing reward and motivation.”

According to lead study author, Nora Volkow, “These deficits in the brain’s reward system may help explain clinical symptoms of ADHD, including inattention and reduced motivation, as well as the propensity for complications such as drug abuse and obesity among ADHD patients.”

More recent research, however, points to a combination of factors, including genetic makeup and environmental factors.

What’s the Big Deal — Can’t You Just Treat ADHD With Medication?

There are millions of children on psychiatric medications today (source), all of which have side effects, ranging from mild to very severe (including death). If you think psychiatric medications are no big deal for treating ADHD, please read my post on the subject, Psychiatric Medications for Children: is Your Child a Guinea Pig?

That being said, when we get to the root causes of ADHD, we can begin to treat ADHD holistically, and, ultimately, avoid the need for medications. So let’s delve further into what causes ADHD, shall we?

What causes ADHD? The surprising answer - Modern Alternative Mama

What Causes ADHD?

The cause of ADHD is multifaceted. While brain chemistry and genetics do play a part, they are combined with a combination of other factors, including maternal health, environmental factors, and nutritional deficiencies. But there’s one underlying condition for all of these factors: poor gut health.

More Than a Brain Imbalance, ADHD is a Gut Imbalance.

In recent years, studies have begun to link gut bacteria to mental health, indicating that disorders from depression to autism may be due to poor gut health. Indeed, Dr. Natasha Campbell-McBride says in her book Gut and Psychology Syndrome, “I have yet to meet a child with autism, ADHD/ADD, asthma, eczema, allergies, dyspraxia or dyslexia, who has not got digestive abnormalities.” (Emphasis mine.)

This study found that disorders including ADHD, autism, and related spectrum disorders are caused by gut bacteria imbalance, but that improving gut health through diet changes and correction of bacterial imbalance can heal these disorders.

What is Gut Bacteria Imbalance?

If you have a gut bacteria imbalance, it simply means that you have an overgrowth of bad bacteria (pathogens), and a deficiency of good gut bacteria. This is also known as gut dysbiosis, and eventually leads to leaky gut (a syndrome in which the lining of the gut develops holes, which allow proteins to leak through and cause the body to attack itself in other areas).

Poor maternal gut health at the time of conception and throughout pregnancy, followed by feeding the child a poor diet (perhaps using formula, giving rice cereal, and, later, feeding refined, processed foods), plus pharmaceuticals like vaccinations and antibiotics all create a perfect storm for poor gut health.

Depending on a child’s genetics and immune system health, these assaults on the body could result in a number of disorders, including eczema, asthma, autism, or ADHD.

How Does Gut Bacteria Imbalance Cause Symptoms of ADHD?

Notice I said symptoms of ADHD. That’s because once the gut is healed and the bacterial imbalance corrected, disorders like ADHD simply go away, indicating that the problem wasn’t ADHD in the first place. ADHD is simply a name given to a set of symptoms and behaviors. 

Did you know that neurons aren’t created only in your brain? You also have neurons in your gut. These neurons produce neurotransmitters like serotonin and dopamine, which are also found in your brain. Seratonin, which balances mood and affects manifestations of depression and aggression, is found in highest concentrations in your intestines, not your brain! (source)

Not only does your brain send signals to your gut, telling it to digest food, creating sensations like “butterflies” during times of nervousness, etc, but your gut sends even more signals to your brain. Through a nerve directly connect to the brain from your abdomen (called the vagus nerve), your gut sends signals to the brain and helps to protect it from pathogens, in the absence of inflammation. (source)

Some of these signals can instigate an anti-inflammatory reflex with signals to the brain, helping the brain to deflect inflammatory attacks by releasing mediator cells, which interact with immune cells to fight off inflammation. This role may help with modulation of brain function and mood. (source)

When inflammation is present, however, these actions are impeded, and brain function is compromised.

In other words, a healthy gut protects the brain.

Furthermore, when a leaky gut is present, your gut cannot properly absorb nutrients from your food, preventing the brain from receiving the nutrients it needs to function properly, like omega and saturated fats, plus vitamins and minerals.

Healing the Gut

Once a child has developed one of these disorders, gut healing must take place in order to heal the disorder. Several factors contribute to healing the gut, including diet changes (read: Is the Paleo Diet Healthy for Kids?), probiotic therapy (read about how to choose a good probiotic), and nutritional therapy.

This study found that ADHD can be successfully treated with micronutrient therapy, ie. vitamins and minerals. You can read about our favorite mineral supplement for treating adhd, which has helped our son a great deal.

My favorite way to heal the gut is the GAPS diet, aka: gut and psychology syndrome, created by Dr. Campbell-McBride especially to treat disorders like ADHD. Along with nutritional therapies, the GAPS diet has helped our family come a long way in healing our guts.

If you are just starting out and not ready to dive in to something like an intensive healing diet, start out by removing these five ingredients from your child’s diet. Oftentimes, just getting the worst junk out of your child’s diet will have an immediate impact on his behavior.

Do you believe that poor gut health is really what causes ADHD? 

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When Jaclyn became a mom more than eight years ago, health food was the last thing on her mind, but when her oldest son began to struggle with behavioral problems early in life, she dove in headfirst to begin learning about how to live and eat naturally. Since then, her children have been healed of eczema and digestive problems and her own thyroid disorder has been healed. Best of all, her son’s behavior continues to improve as he heals through diet. As she continues to fight for her family’s health and well-being, Jaclyn focuses on GAPS-diet and Paleo foods with an emphasis on nourishing and healing foods like broth and homemade sauerkraut. You can find her writing about raising a healthy, happy family at www.thefamilythathealstogether.com.
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6 Comments

  1. Hi there. I was diagnosed with ADHD at a young age and subsequently put on medication. I can say from experience that medication is NOT the answer. I would also like to state that simply fixing your diet does not help either. I know many people will think me foolish for this but at the end of the day I no longer take medication and I function fair enough in this world with the help of Faith. That’s my truth and yes cleaning up ones diet can also help the entire human being.

    Reply

  2. HI, I have a child with dyslexia and skin problems and a child with frequent emotional outbursts and skin problems, however, the one has has antibiotics only once in his 10 years, the other has never had them, and neither have had vaccines. Our diet is not perfect, but healthy overall. Any tips for how I can help them heal? Thanks, your blog is an amazing source of information!

    Reply

  3. We follow a whole foods, organic diet. My 7 year old son has high functioning autism but displays no GI troubles. He has taken cod liver oil and probiotics since he was an infant. He was also exclusively breast fed. We don’t avoid gluten, most often eating Spelt breads and pastas. He doesn’t drink cow’s milk but occasionally has raw and organic cheeses. He’s not been vaccinated either. He’s phenomenally healthy but he has high functioning autism.

    Reply

  4. Diet can certainly affect the conditions that you describe, but diet will not alter the anatomic abnormalities responsible for the symptoms.

    Brain imaging studies show structural abnormalities with ADHD in children and adolescents, including:

    Delayed cortical development
    Cortical thinning, and reductions in the volume of grey and white matter
    Reductions in the volume of several regions of the brain, including: the posterior inferior vermis; splenium of the corpus callosum; total and right cerebral volume; right caudate; right global pallidus; right anterior frontal region; cerebellum; temporal lobe; and pulvinar.

    Diet may provide some compensation, but it will not alter or heal the pathological abnormalities.

    Reply

  5. Best book I’ve read about healing the leaky gut syndrome is by Dr.Pagano, it’s called “One cause many ailments”
    It helped me with my ADHD, eczema and other problems which are tied to the leaky gut.

    Reply

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Hi, I’m Kate.  I love medical freedom, sharing natural remedies, developing real food recipes, and gentle parenting. My goal is to teach you how to live your life free from Big Pharma, Big Food, and Big Government by learning about herbs, cooking, and sustainable practices.

I’m the author of Natural Remedies for Kids and the owner and lead herbalist at EarthleyI hope you’ll join me on the journey to a free and healthy life!

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