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Answer to Question #4032 Submitted to "Ask the Experts"

Category: Radiation Effects — Dose Response

The following question was answered by an expert in the appropriate field:

Q

Do genetic differences exist making some individuals more sensitive to radiation-induced damage? If so, does the annual radiation exposure limit (5,000 mrem per year) apply for everybody?

A

Sensitivity to radiation effects, like sensitivity to many things, varies among individuals because of biologic variation. Part of this is genetic, part is from other factors. The dose limit of 5,000 mrem per year applies to occupational exposure of people who work in the radiation field (nuclear power, medical x ray, etc.).

S. Julian Gibbs, DDS, PhD

Answer posted on 19 October 2004. The information and material posted on this Web site is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Web site. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.
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