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Record-Linkage Study of Thyroid Cancer

Taller height and greater body mass index have been consistently associated with an increased risk of thyroid cancer, but few studies have investigated the role of childhood body size. We prospectively examined associations between annual measurements of childhood height and body mass index (at ages 7-13 years) with risk of thyroid cancer in adulthood by linking measurement data from over 320,000 schoolchildren in Copenhagen, with cancer incidence data from the Danish Cancer Registry. Both height and body mass index in childhood were positively associated with thyroid cancer risk, suggesting a potential role for early-life factors related to growth and body weight in thyroid carcinogenesis.

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