An autoimmune disease called Hashimoto’s thyroiditis is the most common cause of low thyroid function. The body’s own immune system mistakenly attacks the thyroid tissue impairing the ability to produce hormones. Hypothyroidism, which is caused by Hashimoto's disease, is treated with thyroid hormone replacement agents.
Cardiovascular Disease: Hypothyroidism and subclinical hypothyroidism are associated with increased levels of blood cholesterol, increased blood pressure, and increased risk of cardiovascular disease. Even those with subclinical hypothyroidism were almost 3.4 times as likely to develop cardiovascular disease than those with healthy thyroid function.
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