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Autoimmune Thyroid Disease Is on the Rise

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Autoimmune disorders can affect almost any part of the body, but the thyroid is especially susceptible. Dr. L. Saranac and colleagues at the University Clinical Center, Nis, Serbia, provided a review.

“The incidence of chronic autoimmune thyroiditis (CAT) and Graves' disease (GD) has increased dramatically over the past few decades, afflicting up to 5% of the general population,” they reported.

As with most autoimmune conditions, women are affected more often than men. Genetic factors put some people at risk.

However, there are also environmental factors that we can control. Saranac described the effects of iodine, selenium, tobacco smoke, infectious diseases, certain drugs, and physical and emotional stress.

There is a narrow range of iodine intake that is optimum for thyroid health. Since the thyroid hormones T4 and T3 contain iodine, the thyroid will not be able to produce sufficient amounts if there is an iodine deficiency in the diet.

However, too much iodine can be just as bad. Autoimmune thyroid disease is rare in countries with low iodine intake, and increases in parallel with increased iodine in the diet. The mechanism is not yet understood.

A deficiency of selenium in the diet is associated with autoimmune thyroid disease. Patients with celiac disease are especially susceptible because their ability to absorb selenium is impaired.

Environmental pollutants.
Tobacco smoke and polychlorinated biphenyls (PCBs) are the primary chemical agents associated with autoimmune thyroid disease.

Infectious agents are suspected as the trigger for many autoimmune conditions.

Yersinia enterocolitica is the pathogen most strongly associated with thyroid disease.

Drugs. Amiodarone, used to treat heart conditions, and lithium, used to treat psychiatric conditions, have the most pronounced effect on thyroid function.

There is some association between autoimmune thyroid disease and stress, both psychological and physical.

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June 7, 2013 - 8:37am

Thanks for the insight!

It may only be 5%, but as someone with Hashimotos myself it is amazing how many people I am meeting with thyroid disease!

Together we can help make it easier to find the right doctors, medications, and support. Most importantly is to accept that you have a autoimmune disease, and focus on the whole picture of health. Diet, lifestyle, and daily habits can really make a difference!

Thanks Again!


December 1, 2011 - 12:19am
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.


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