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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Endocrine diseases

Follow the links on this page to find trusted information about endocrine diseases.

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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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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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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 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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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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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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Heart murmur

Heart murmurs are extra sounds made by the heart. Some heart murmurs are serious, some are not — here's what you need to know.

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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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Metabolism

Metabolism refers to all the chemical processes your body uses to produce energy. Find out more about metabolism, what affects it and whether you can boost your metabolism.

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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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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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Feeling restless

Restlessness may affect you mentally or physically. If depression or anxiety are causing you to feel restless, here are some tips that may help.

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Osteoporosis

Osteoporosis is a condition that affects the bones, causing them to become weak and fragile. Learn about its treatment, management and prevention.

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