Mental Retardation

Research on mental retardation in children detailed by scientists at Columbia University

Published in Cancer Weekly, March 31st, 2009

A new study, 'Radiation biology for pediatric radiologists,' is now available. "The biological effects of radiation result primarily from damage to DNA. There are three effects of concern to the radiologist that determine the need for radiation protection and the dose principle of ALARA (As Low As Reasonably Achievable). (1) Heritable effects," investigators in the United States report.

"These were thought to be most important in the 1950s, but concern has declined in recent years. The current ICRP risk estimate is very small at 0.2%/Sv. (2) Effects on the developing embryo and fetus include weight retardation, congenital anomalies, microcephaly and mental retardation....

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Source: Cancer Weekly (2009-03-31)

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