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Dietary factors and the risk of thyroid cancer: a review.

Abstract

In the past few decades, the incidence of thyroid cancer has rapidly increased worldwide. Thyroid cancer incidence is relatively high in regions where the population's daily iodine intake is insufficient. While low dietary iodine has been considered as a risk factor for thyroid cancer development, previous studies found controversial results across different food types. Among different ethnic groups, dietary factors are influenced by various dietary patterns, eating habits, life-styles, nutrition, and other environmental factors. This review reports the association between dietary factors and thyroid cancer risk among ethnic groups living in different geologic regions. Iodine-rich food such as fish and shellfish may provide a protective role in populations with insufficient daily iodine intake. The consumption of goitrogenic food, such as cruciferous vegetables, showed a positive association with risk. While considered to be a risk factor for other cancers, alcohol intake showed a protective role against thyroid cancer. High consumption of meat such as chicken, pork, and poultry showed a positive association with the risk, but dairy products showed no significant association. Regular use of multivitamins and dietary nitrate and nitrite also showed a positive association with thyroid cancer risk. However, the study results are inconsistent and investigations into the mechanism for how dietary factors change thyroid hormone levels and influence thyroid function are required.

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  • Authors+Show Affiliations

    ,

    Molecular Epidemiology Branch, National Cancer Center, Goyang 410-769, South Korea.

    Molecular Epidemiology Branch, National Cancer Center, Goyang 410-769, South Korea.

    Source

    Clinical nutrition research 3:2 2014 Jul pg 75-88

    Pub Type(s)

    Journal Article
    Review

    Language

    eng

    PubMed ID

    25136535

    Citation

    Choi, Wook Jin, and Jeongseon Kim. "Dietary Factors and the Risk of Thyroid Cancer: a Review." Clinical Nutrition Research, vol. 3, no. 2, 2014, pp. 75-88.
    Choi WJ, Kim J. Dietary factors and the risk of thyroid cancer: a review. Clin Nutr Res. 2014;3(2):75-88.
    Choi, W. J., & Kim, J. (2014). Dietary factors and the risk of thyroid cancer: a review. Clinical Nutrition Research, 3(2), pp. 75-88. doi:10.7762/cnr.2014.3.2.75.
    Choi WJ, Kim J. Dietary Factors and the Risk of Thyroid Cancer: a Review. Clin Nutr Res. 2014;3(2):75-88. PubMed PMID: 25136535.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Dietary factors and the risk of thyroid cancer: a review. AU - Choi,Wook Jin, AU - Kim,Jeongseon, Y1 - 2014/07/29/ PY - 2014/06/03/received PY - 2014/06/19/revised PY - 2014/06/20/accepted PY - 2014/8/20/entrez PY - 2014/8/20/pubmed PY - 2014/8/20/medline KW - Dietary factor KW - Food KW - Iodine KW - Review KW - Thyroid cancer SP - 75 EP - 88 JF - Clinical nutrition research JO - Clin Nutr Res VL - 3 IS - 2 N2 - In the past few decades, the incidence of thyroid cancer has rapidly increased worldwide. Thyroid cancer incidence is relatively high in regions where the population's daily iodine intake is insufficient. While low dietary iodine has been considered as a risk factor for thyroid cancer development, previous studies found controversial results across different food types. Among different ethnic groups, dietary factors are influenced by various dietary patterns, eating habits, life-styles, nutrition, and other environmental factors. This review reports the association between dietary factors and thyroid cancer risk among ethnic groups living in different geologic regions. Iodine-rich food such as fish and shellfish may provide a protective role in populations with insufficient daily iodine intake. The consumption of goitrogenic food, such as cruciferous vegetables, showed a positive association with risk. While considered to be a risk factor for other cancers, alcohol intake showed a protective role against thyroid cancer. High consumption of meat such as chicken, pork, and poultry showed a positive association with the risk, but dairy products showed no significant association. Regular use of multivitamins and dietary nitrate and nitrite also showed a positive association with thyroid cancer risk. However, the study results are inconsistent and investigations into the mechanism for how dietary factors change thyroid hormone levels and influence thyroid function are required. SN - 2287-3732 UR - https://www.unboundmedicine.com/medline/citation/25136535/full_citation L2 - https://e-cnr.org/DOIx.php?id=10.7762/cnr.2014.3.2.75 DB - PRIME DP - Unbound Medicine ER -