May 9

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Why You Need to Know What Causes Hypothyroid…

By Sunny Brigham, MS, CNS, LDN

May 9, 2021


The most common cause of hypothyroidism might surprise you. 

It’s probably not what you think it is. Many think it’s genetics. Or that it just happens. If you’re thinking genetics, you wouldn’t be too far off. But in a “round about” way.

The #1 cause of hypothyroid is Hashimoto’s. Yes…you read that correctly.

There is a genetic link with Hashimoto’s but diet and lifestyle play a HUGE role in flipping that gene on. We’re born with all sorts of genetic mutations. Just because we have them doesn’t mean we’re doomed to develop that particular disease. How we manage stress and what we eat influences our genes greatly.

So…if you have hypothyroid and have never been checked for Hashimoto’s, you definitely should! A few years ago, in one week I had 3 new patients with hypothyroid. We tested for Hashimoto’s and every single one of them had it.

While the medical approach doesn’t change, because there is no medical treatment for Hashimoto’s, the nutrition approach changes immensely!

Hashimoto’s vs Hypothyroid

It’s important know whether you have Hashimoto’s. The diseases are linked but, like I mentioned, the treatment or approach is different.

What is hypothyroid? It’s a degradation in the thyroid. This can be caused by lack of nutrients in the diet. It can also be caused by high stress…or poor stress management. Diet and stress and big drivers on this disease.

The thyroid isn’t communicating well with the rest of the body. Maybe it’s not producing as much T3 or T4 as it needs. Or, maybe the T3 and T4 that it’s producing isn’t binding to the cell receptors appropriately. Or…maybe the T4 isn’t converting well to T3.

This causes the thyroid to pump out more TSH to fix the issue. But more TSH doesn’t correct the imbalance.

Hashimoto’s is the autoimmune arm of hypothyroidism. Hashimoto’s primarily begins in the gut…as many autoimmune conditions do!

Hashimoto’s creates an environment where the immune system begins to see the thyroid as a foreign body. So, the immune system attacks the thyroid. This process creates degradation in the thyroid. And then hypothyroid develops.

Diet and stress are also big drivers of this disease.

But you can have each independently…or together. You can have Hashimoto’s without hypothyroid. And you can have hypothyroid without Hashimoto’s.

But if you have hypothyroid, it’s always good to rule out Hashimoto’s as a cause. Because 70% of all hypothyroid diagnoses are caused by Hashimoto’s.

Watch the video below to learn more.

  • What is the test for hashimotos? I was do about 8 years ago, I had ultrasounds and biopsies of nodules. Can latex allergy cause hashimotos or hypothyroidism? There are many foods primarily fruits and some vegetables I can’t eat without hive or urticaria. This is a problem for me for at least 50 years. I am 60 now. Eliminating foods that I know I am allergic makes me feel better but dont know if it is relative to Hashimotos. My endo doc says my latex allergy is not relative. Thoughts?

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