Hyperthyroidism means the thyroid gland is overactive and produces more hormones than your body needs. Brain fog and other cognitive changes are potential complications of hyperthyroidism. Brain fog ...

Some research suggests there may be a link between hyperthyroidism and tachycardia. When a person has hyperthyroidism, the body produces too much thyroid hormone, which can affect the heart. People ...

Thyroid disease is caused by the over- or underproduction of thyroid hormones. Autoimmune disorders like Graves' disease and Hashimoto's disease affect thyroid function. Lifestyle choices, such as ...

Add Yahoo as a preferred source to see more of our stories on Google. If your mysterious weight loss, sudden intolerance to heat, and noticeably irregular period has you scouring the internet for the ...

An overactive thyroid (hyperthyroidism) is relatively rare, affecting just 1% of people in the US. It occurs when your thyroid glands produce too much of a hormone called thyroxine. These thyroid ...

Hyperthyroidism and rheumatoid arthritis (RA) have a bidirectional link. Therefore, if a person has both conditions, their doctor may use a collaborative treatment approach. RA is prevalent among ...

Hyperthyroidism is a condition in which your thyroid gland is overactive, producing more hormones than your body needs. Both high and low thyroid hormone levels can cause exercise intolerance. Your ...

Thyroid disease is more than a matter of weight gain or fatigue—it often manifests visibly through changes in your skin, hair, and nails. While the thyroid gland resides deep in your neck, ...

If your mysterious weight loss, sudden intolerance to heat, and noticeably irregular period has you scouring the internet for the reasons why, you’ve probably wondered if your symptoms are the result ...