Thyroid gland

The thyroid is a soft bow-shaped gland which sits in the front of the neck, just below the Adam’s apple. Learn more about what they do and medical conditions related to them.

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Graves' disease

This condition causes the thyroid gland in the neck to produce too much thyroid hormone, and can eventually lead to goitre and bulging eyes.

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Thyroidectomy

A thyroidectomy is the removal of all or part of the thyroid gland. It may be used to treat thyroid cancer or an enlarged or overactive thyroid.

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Goitre

A goitre is an enlarged or swollen thyroid gland, the butterfly-shaped gland at the base of your neck.

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Hyperthyroidism

Hyperthyroidism (sometimes called thyrotoxicosis) occurs when the thyroid gland is overactive. Learn more about hyperthyroidism, including the common signs and symptoms, and treatment options.

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Hypothyroidism

Hypothyroidism occurs when the thyroid gland does not make enough thyroid hormone. Learn about the symptoms, how it's diagnosed and treatment options.

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Thyroid function tests

Thyroid function tests are used to check for a number of thyroid problems. The tests usually include thyroid stimulating hormones (THSs) T4 and T3.

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Total thyroidectomy (for thyrotoxicosis)

The thyroid is a gland in your neck that produces a hormone called thyroxine, which regulates your body's metabolism. The thyroid can become overactive, causing weight loss, sweatiness and eye problems.

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Hashimoto's disease

Hashimoto's disease can cause your body to produce too little thyroid hormone. Find out more about its causes, symptoms and treatment.

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Sub-total thyroidectomy (for thyrotoxicosis)

A thyroidectomy removes the gland that regulates your body's metabolism if it becomes overactive, causing weight-loss, sweatiness or eye problems.

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Thyroid cancer

Thyroid cancer can, in most cases, be treated. Find out how it develops, what the symptoms are and when you should see a doctor.

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Hormonal system

The hormonal system influences your metabolism, growth and many other functions. Learn more about what it is and conditions related to the hormonal system.

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Causes of thyroid problems

The common causes of thyroid problems include autoimmune disease, certain medical treatments and inflammation of the thyroid. Learn more here.

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Iodine deficiency

Iodine deficiency is the most common cause of thyroid disease and can even cause brain damage in babies. During pregnancy and breastfeeding, women should take iodine supplements. Learn more here.

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Complications of thyroid problems

Thyroid problems can lead to many complications – like heart failure, nerve damage or infertility. Learn about the consequences of not treating these problems.

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Thyroid problems

If your thyroid becomes overactive (hyperthyroidism) or underactive (hypothyroidism), you may experience a range of health problems. Learn more here.

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Endocrine glands and their hormones

The hormone system is the way in which one part of the body tells another part of the body to do something important. Find out more about different parts of the hormonal system.

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Iodine and your health

Iodine is essential for making proteins and for the growth of your bones and nerves. Here's how to get enough iodine in your diet.

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Tachycardia

Tachycardia is a condition where the heart beats at a faster rate than normal (usually more than 100 beats per minute).

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What is an endocrinologist?

Endocrinologist is a specialist who treats people with conditions caused by problems with hormones. Learn how to find an endocrinologist and what to ask before your appointment.

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Pituitary gland

The pituitary gland makes different hormones, some that have direct effects on the body and others that control other endocrine glands.

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Parathyroid glands

The parathyroid glands are four small glands, each about the size of a grain of rice. Learn more about what they do and medical conditions related to them.

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HTLV-1 infection

Human T-cell leukaemia virus type 1 (HTLV-1) is a virus that infects T-cells, white blood cells that form part of the immune system. Learn more here.

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Parathyroidectomy

Parathyroid glands can become overactive, causing an increase in the level of calcium in your blood. Surgery to remove any affected glands is the only reliable way to prevent long-term problems.

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Williams syndrome

Williams syndrome can cause development, learning and medical problems, although children with it often have well-developed language and music skills.

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Overview of autoimmune diseases

Autoimmune diseases occur when the immune system attacks its own body. Learn more about the diagnosis and treatment of types such as Coeliac disease and lupus.

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Atrial fibrillation

Atrial fibrillation (when part of the heart ‘quivers’ rather than beating normally) could lead to a stroke. Know the symptoms and decrease your risk.

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Peripheral neuropathy

Peripheral neuropathy can cause pain, numbness or tingling in the arms and legs because of damage to the nerves. Learn about some of the possible causes here.

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Acromegaly

Acromegaly causes parts of the body to grow larger and mostly affects people in middle age. It can be effectively treated, especially if diagnosed early.

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Erectile dysfunction

Erectile dysfunction, or impotence, means not being able to get or keep an erection that is sufficient for sexual intercourse. Many men have impotence at some time in their lives. It can come and go.

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