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Does radiation from dental X-rays cause thyroid cancer?

Every weekday, a CNNHealth expert doctor answers a viewer question. On Wednesdays, it's Dr. Otis Brawley, chief medical officer at the American Cancer Society. Asked by Cate, Kennesaw, Georgia I have heard that there is an increase in the number of people ... read more

Ask Doctor K: Dental X-rays pose very little radiation risk

DEAR DOCTOR K: How often does my dentist need to take ... Some people worry that getting dental X-rays can cause cancer or birth defects. Today’s dental X-ray machines emit very low levels of radiation. They narrowly focus the X-ray beam so it passes ... read more

Dental X-rays increase cancer risk

A collaborative study by scientists from the UK and Kuwait found that the risk of the cancer rose with increasing numbers of dental X-rays ... that the thyroid gland which is situated in the neck, is known to be sensitive to ionising radiation (especially ... read more

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Thyroid Nodule Location Linked to Malignancy Risk

BOSTON — Nodules located in the upper pole of the thyroid gland may carry a greater risk ... the upper lobe may receive more radiation exposure because of dental X-rays or other imaging such as sinus CT. Safa suggested the authors examine the results ... read more

X-Rays May Raise Cancer Risk

As the overall lifetime exposure increases, so does ... cancer from other causes. Low-level radiation is used in the medical field for X-rays and in nuclear medicine to produce some of the scanned images of the body, such as bone, lung, and thyroid scans. read more

Brain tumors linked to dental X-rays

This does not prove that dental X-rays cause tumors. But it supports previous research about the connection. Dental X-rays have also been implicated in thyroid cancer. But ... we do know that radiation can cause tumors, and we have to be judicious with ... read more

We all live with low-level radiation; how harmful is it?

So they extrapolate backward to create very rough estimates of low-level risks. Their conclusion: A person exposed to 10 extra millisieverts of radiation, the equivalent of about 100 chest X-rays ... far smaller numbers. Thyroid cancer and leukemia ... read more

Thyroid Cancer

Radiation therapy uses high-energy X-rays or other types of radiation to kill cancer cells or shrink tumors. Thyroid cancer may be treated with ... Taking thyroid hormone at the proper dose usually does not cause side effects. If the dose is too high ... read more

What does radiation from a nuclear disaster actually do to our bodies?

Atomic weapons and nuclear accidents like those at Chernobyl and Fukushima have made sure we all know that nuclear radiation can kill. But how exactly does the radiation affect our bodies? And why does radiation sometimes cause cancer, and other times cure it? read more

There's No Such Thing as Safe Radiation

"Solid cancer risk," echoes Dr. Arjun Makhijani in the Bulletin of the Atomic Scientists, "is proportional to radiation dose. Small dose, small risk and large dose, large risk." Now, to say that something isn't safe does ... I want a dental x-ray to ... read more


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