Issue 4

Message from the Chairman
2
Editor's comments and guidelines for authors 3
Introduction to the Radon Hotline 4
Health effects and indoor radon reduction 5
Soil nutrient deficiencies in an area of endemic osteoarthritis 6
"Manganese Madness" Clues to the etiology of human brain disease emerges from a geological anomaly 8
Medical Geology applications in East Africa 10
3rd International conferene of the Danube-Kris-Mures-Tisa Euroregion "Environment and health" 14
Multiple metal contamination from house paint: consequences of power sanding and paint scrapping in New Orleans 15
Books of interest 16