This analysis followed 158,910 US postmenopausal women enrolled in the Women's Health Initiative and compared incident stroke rates across estimated residential radon zones. Women in zones above 4 picocuries per liter had a 14 percent higher adjusted stroke risk than those in zones below 2 picocuries per liter, independent of smoking, hypertension, diabetes, and physical activity.
Study· Cardiovascular
Radon Exposure and Incident Stroke Risk in the Women's Health Initiative
Women living in areas with estimated radon concentrations above 4 pCi/L had a 14 percent higher adjusted stroke risk than those in areas below 2 pCi/L.