Thyroid Disease Causing Symptoms

Thyroid Disease May Be The Cause of Your Symptoms

Thyroid Hormone

Thyroid disease is a topic particularly near and dear to my heart because I battle thyroid disease myself. I was diagnosed with Hashimoto's Thyroiditis. I have since made it a primary focus in my practice to help those facing thyroid disease overcome their symptoms and return to optimal health using an arsenal of scientifically proven treatment protocols that address the root causes of thyroid disease (and are often overlooked by conventional medicine).

To understand what causes thyroid disease and then how it can be treated or prevented, let’s first take an in-depth look at what role the thyroid plays in your body. (Note: This is a bit of a lengthy explanation but stick with me as each of these steps give us important clues as to what can cause your thyroid to stop working properly.)

Understanding How the Thyroid Works

Your thyroid powers every cell in your body through the hormones it produces. These hormones determine the energy level and reproduction of each cell, keeping your organs powered up and managing your overall metabolism. The process of creating, regulating, and delivering these hormones is complex, and it all begins in your brain.

The hypothalamus, which is responsible for managing hunger, thirst, sleep, hormones, and body temperature, among other important functions, continuously monitors the level of thyroid hormones present in your bloodstream. If it determines that energy levels are low, it sends out TRH, Thyroid Releasing Hormone, to your pituitary gland. Your pituitary gland, a pea-sized gland at the base of your brain, then releases TSH Thyroid Stimulating Hormone, which is sent directly to the thyroid.

Your thyroid is then prompted to produce thyroid hormone using an amino acid called tyrosine and iodine (we will cover the importance and effect of iodine later in the series). It converts the tyrosine into thyroglobulin and then attaches between one and four iodine atoms, creating T1, T2, T3, and T4 respectively.

The primary output of your thyroid is T4 (thyroglobulin plus four iodine atoms), which is a storage form of the hormone. It is circulated throughout the bloodstream and stored in tissues so that it’s available when needed. A much smaller percentage of the hormones produced is T3, which is the active form of thyroid hormone. T2 and T1 make up an even smaller percentage, and researchers are still unsure of what role these two hormones play.

When each local area of your body determines that it needs active T3 for more power, it converts the storage T4 to active T3 using an enzyme called deiodinase. This enzyme (which needs selenium, zinc, and iron to function properly) strips one of the outside iodine atoms off of the T4, turning it into Free T3 (FT3). Your body also uses a portion of the T4 to create Reverse T3 (RT3), which is done by stripping away one of the inside iodine atoms, creating another inactive form of thyroid hormone, but one that can attach to the receptors for Free T3.

The T3 then enters cell membranes (with the help of cortisol) and regulates how much energy your mitochondria produce. Your mitochondria are the “power plants” of your cells and there are trillions of them in your body. The Free T3 acts as a gas pedal for the mitochondria, revving up power production, and the Reverse T3 acts as a brake pedal, slowing down the power.

These micro-level reactions all work in concert to control hugely important metabolic factors such as heart rate, fatigue, weight regulation, brain function, and more. When your thyroid isn’t functioning properly it can affect any or all of these separate systems, creating a wide array of symptoms that might seem unrelated (which is why thyroid disease often goes undiagnosed), but can all be traced back to your thyroid.

When Your Thyroid Goes Awry: Types of Thyroid Disease
Hypothyroidism – An Underactive Thyroid

The most common form of thyroid disease is hypothyroidism, which is when your thyroid is underactive and does not produce enough thyroid hormone. This can either be because your pituitary gland is malfunctioning and not sending enough TSH to your thyroid, or, more commonly, your TSH levels are normal, but for various reasons your thyroid isn’t producing enough T4 and T3 to adequately fuel your cells. Hypothyroidism causes a general slowing down of your metabolic processes, and can lead to these symptoms:

Brain Fog
Weight Gain or Inability to Lose Weight
Cold Hands or Feet
Hair Loss
Poor Concentration
Low Libido
Decreased Heart Rate
Decreased Body Temperature

Hyperthyroidism – An Overactive Thyroid

On the other end of the spectrum is hyperthyroidism, which is less common but more dangerous than hypothyroidism. The type of thyroid disease I was diagnosed with, Graves’ disease, is a form of hyperthyroidism. In patients with hyperthyroidism the thyroid produces an excess of thyroid hormones, sending your body into overdrive and producing symptoms such as

Rapid heart rate
Severe Anxiety and Panic Attacks
Weight Loss
Hair loss
Increased Body Temperature
Shakiness or Tremors
Loose Stool
Increased Hunger

Digging Deeper: Root Causes of Thyroid Disease
Autoimmune Thyroid Disease

Hypo- and hyperthyroidism are how thyroid disease manifests, but there are several possible underlying causes for each. Most patients’ thyroid disease is caused by autoimmune disease. As you know, autoimmune disease occurs when the immune system confuses parts of the body (in this case the thyroid) with outside invaders and attacks them. Hashimoto’s disease (hypothyroidism) and Graves’ disease (hyperthyroidism) are both autoimmune diseases.

Unfortunately, many doctors who suspect a patient has thyroid disease will only check their thyroid hormone levels, which indicate if the patient is has hypo- or hyperthyroidism, but will not determine if it is caused by an autoimmune disease. I highly recommend that any patient diagnosed with thyroid disease have their thyroid antibodies (the markers for thyroid autoimmunity) checked using blood tests for Thyroid Peroxidase Antibodies (TPOAb) and Thyroglobulin Antibodies (TgAb). This is crucial because, once you have one autoimmune disease, you are 3 times more likely to develop another one, and you should immediately begin searching for the underlying causes so that you do not progress further on the autoimmune spectrum. Fortunately, these two blood tests are very accessible and inexpensive, and can even be run without a doctor ordering them.

Non-Autoimmune Thyroid Disease

Although the majority of thyroid disease is caused by autoimmunity, there are several other factors that can be the culprit. If you’re lacking in tyrosine or iodine (needed to create thyroid hormone), or selenium, zinc, or iron (needed to convert T4 to T3), or Vitamin D or B (needed to regulate metabolism and hormones), you can develop hypothyroidism. Luckily, these deficiencies can all be corrected fairly easily and this is why I recommend that everyone take a high quality multivitamin.

Other causes of thyroid disease include pituitary disease, adrenal system imbalances and thyroid cancer, which fortunately is one of the most curable forms of cancer but should still be detected and treated as early as possible.

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Teresa Rispoli is a Doctor Of Clinical Nutrition, a licensed Acupuncturist and Aestheticisan, and clinical researcher. She has been in practice for well over 27 years. It is through her clinical practice that she has gained insights into chronic health conditions. If you are suffering from unexplained symptoms that come and go you owe it to yourself to find out why. Find out today call for a Nutritional Consultation with Dr. Rispoli. Remember that the body can heal itself if given the proper nutrients with the right environment.


Call 818-707-3126 to set up a Nutritional Consultation so that Dr. Rispoli can get to the root of your health concern, design a therapeutic diet and or comprehensive strategy of lifestyle changes, and nutritional support to aid you in the direction of wellness.

We also offer Functional Laboratory tests that can be done through the mail in the privacy of your home, to get to the root of your health concerns. Just choose lab tests and click on test of interest.

Click on Related Articles or Products to the left for more information.

Teresa Rispoli has her Ph.D. in Nutrition, is a licensed Acupuncturist, Master Herbalist, Certified Functional Nutritionist, has a Doctorate in Naturopathy and is a clinical researcher, and Licensed Esthetician. She has been in practice for well over 27 years. It is through her clinical practice that she has gained insights into chronic health conditions. If you are suffering from unexplained symptoms that come and go you owe it to yourself to find out why. Find out today call for a Nutritional Consultation with Dr. Rispoli.

If you are suffering from unexplained symptoms yourself to find out why. Find out today call for a Nutritional Consultation with Dr. Rispoli.

Remember that the body can heal itself if given the proper nutrients with the right environment and lifestyle.

Dr. Rispoli will help guide you to make the right choices for your individual needs. Teresa Rispoli will work with you to teach you which program is right for you so you can make informed decisions regarding your health.

She is the founder and Director for Complete Health. She will find the root of your health issues, from a Functional Health perspective, and personalize a health building program to help you experience vibrant health.

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Yours For Inner Health and Outer Beauty,
Teresa Rispoli, DCN, CFN, LAC.

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