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  1. Hypothyroidism (underactive thyroid) - Symptoms and causes

    Dec 10, 2022 · Overview Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable …

  2. Hyperthyroidism - Symptoms and causes - Mayo Clinic

    Nov 30, 2022 · Overview Hyperthyroidism happens when the thyroid gland makes too much thyroid hormone. This condition also is called overactive thyroid. Hyperthyroidism speeds up the body's …

  3. Hashimoto's disease - Symptoms & causes - Mayo Clinic

    Apr 30, 2025 · Hashimoto's disease is an autoimmune disorder affecting the thyroid gland. The thyroid is a butterfly-shaped gland located at the base of the neck just below the Adam's apple. The thyroid …

  4. Hypothyroidism (underactive thyroid) - Mayo Clinic

    Dec 10, 2022 · Diagnosis The symptoms of hypothyroidism can be different from person to person. And they often look like symptoms of other health problems. Because of that, a diagnosis of …

  5. Graves' disease - Symptoms and causes - Mayo Clinic

    Jun 14, 2024 · Graves' disease is an immune system condition that affects the thyroid gland. It causes the body to make too much thyroid hormone. That condition is called hyperthyroidism. Thyroid …

  6. Thyroid nodules - Symptoms & causes - Mayo Clinic

    Jun 14, 2025 · Thyroid gland The thyroid gland is located at the base of the neck, just below the Adam's apple. Most thyroid nodules aren't serious and don't cause symptoms. Only a small number of …

  7. Hurthle cell cancer - Symptoms & causes - Mayo Clinic

    Apr 30, 2025 · Hurthle (HEERT-luh) cell cancer is a rare cancer that affects the thyroid gland. The thyroid is a butterfly-shaped gland in the base of the neck. It secretes hormones that are essential for …

  8. Thyroid cancer - Symptoms and causes - Mayo Clinic

    Dec 23, 2025 · Thyroid cancer is a growth of cells that starts in the thyroid. The thyroid is a butterfly-shaped gland located at the base of the neck, just below the Adam's apple. The thyroid produces …

  9. Thyroid disease: How does it affect your mood? - Mayo Clinic

    Oct 14, 2025 · Thyroid disease can affect mood, but those symptoms are rarely the only evidence of thyroid disease.

  10. Thyroid Disease - Medscape

    Dec 9, 2025 · Thyroid Disease : Review in-depth clinical information, latest medical news, and guidelines for thyroid disease, including hypothyroidism and hyperthyroidism.