Copper amalgams, consisting 60-70% mercury (Hg) and 30-40% copper (Cu) (1, 2), were used very commonly in Norway for children with caries – allegedly because they were thought to inhibit the development of new caries. But they were used in a way making them far more dangerous for dental health personnel than other types of […]
Medical Geology: An Emerging Discipline in Environmental and Human Health
Olle Selinus, PhD Former geologist at the Geological Survey of Sweden (SGU), and now Associated Professor at Linneaus University in Kalmar, Sweden. Board member of CONEM. Medical geology is the science dealing with the influence of geology on the distribution of health in humans and animals. Medical geology is a rapidly growing discipline that has the […]
Serum Zinc and Copper Levels in Autistic Children
In collaboration with Chinese researchers, Geir Bjørklund investigated the serum levels of zinc (Zn) and copper (Cu) in 60 Chinese children with autism (48 boys, 12 girls) and a control group of 60 healthy sex-matched and age-matched individuals. The researchers also evaluated the severity of autism using the Childhood Autism Rating Scale (CARS) score. The mean […]
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