The causes of primary versus secondary hyperthyroidism differ. Thyroid problems cause primary hyperthyroidism while problems in the pituitary gland cause secondary hyperthyroidism. Hyperthyroidism ...

Primary hypothyroidism develops when damage ... when it detects that the thyroid has produced enough T3 and T4. Secondary hypothyroidism occurs when thyroid levels are too low due to problems ...

(1) Hypothyroidism can also be classified as primary or secondary. Primary hypothyroidism occurs when your body does not produce enough thyroid hormone naturally. Secondary hypothyroidism occurs ...

Researchers used the US Mortality Database to assess the relationship between hypothyroidism and Alzheimer disease mortality.

A new analysis has found that adolescents and young adults who develop thyroid cancer as a secondary cancer have a significantly greater risk of dying than those with primary thyroid cancer.

Primary vs secondary hypothyroidism. The majority of women with hypothyroidism have primary hypothyroidism, which is most commonly due to chronic autoimmune thyroid disease (the goiter form of ...

Adolescents and young adults (AYAs) who develop thyroid cancer as a secondary cancer have a significantly greater risk of dying than those who have a primary thyroid cancer, according to a new study.