Question

According to recent studies, what is the range of lung cancers attributable to radon in some regions?

• A. 1% to 3%
• B. 3% to 14%
• C. 15% to 20%
• D. 20% to 25%

Answer 1

Answer:

B. 3% to 14%

• Radon (Rn) is a radioactive gas that emanates from certain rock and soil formations, concentrating in the basement or ground levels of homes, in the absence of inadequate ventilation or evacuation systems

• Recent studies on indoor radon in Europe, North America and Asia indicate that lung cancers attributable to radon range from 3% to 14%, making radon the leading cause of lung cancer among non-smokers.