Research ties learning disabilities, cadmium exposure in children

From WebMD (1/27):

Children ages 6 to 15 who had the highest cadmium levels in their urine were more likely to develop learning disabilities or require special education than those with the lowest levels, a study found. In the journal Environmental Health Perspective, researchers reported that cadmium levels were not associated with the risk of developing attention-deficit/hyperactivity disorder.

http://children.webmd.com/news/20120127/study-links-cadmium-exposure-learning-disabilities-kids