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Thyroid Cancer

Thyroid cancer is abnormal cell growth that starts in the thyroid gland. The thyroid gland is under the Adam's apple in the front part of the neck. It has been well established that exposure to external ionizing radiation increases risk for thyroid cancer. Ionizing radiation exposures can be from natural or man-made sources. Radon is a natural gas coming from rocks and soil, and is sometimes found at high levels in home basements. Most man-made exposures to ionizing radiation come from X-rays or medical devices. No other environmental chemicals or physical agents have been associated with this cancer. Read more about thyroid cancer.

Measures are presented as either annual data at the state level or as five year aggregate data at the county level.

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