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Dental
associations say mercury is safe when mixed with other metals. |
A STUDY of 180
dentists by researchers at the Glasgow Royal Infirmary in Scotland found
they had up to four times the normal level of mercury in their urine and
nails and had more kidney disorders and memory lapses than the general
public. “We found several differences in the health and cognitive functioning between our dentists and the control group,” Dr. Ewan Macdonald said in a report in the Journal of Occupational and Environmental Medicine.  
Your Environment: Are silver fillings safe?“These differences could not be directly attributed to their exposure to mercury, but as mercury exposure at higher levels is known to cause similar health effects an association cannot be ruled out,” he added.
Mercury has been used in dentistry for about 150 years but some dentists
and researchers believe the fillings can give off harmful vapors that can be
dangerous for dentists and patients. |
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The researchers
in Glasgow compared mercury levels in urine, hair and nail samples and the
results of psychomotor skills, response times, word recall and health
problems of the 180 dentists and an equal number of volunteers. The dentists had higher levels of the metal in their bodies, reported more health problems and did worse on the tests than the volunteers. “The prevalence of self reported renal disease and memory disorders reflects other reports and suggests that these may be occupationally related,” Macdonald added. © 2002 Reuters Limited. All rights reserved. Republication or redistribution of Reuters content is expressly prohibited without the prior written consent of Reuters. |
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