The value of ecologic studies: mercury concentration in ambient air and the risk of autism

[Guest guest]

and to this the injected

mercury.................how many unvaccinated children in these areas

with autism?

Sheri

The value of ecologic studies: mercury concentration in ambient air and

the risk of autism

K. Blanchard; F. Palmer;

Zachary Stein

Rev Environ Health 2011;26(2):111–118.

Ecologic studies of the spatial relationship between disease

and sources of environmental contamination can help to ascertain

the degree of risk to populations from contamination and

to inform legislation to ameliorate the risk. Population risks

associated with persistent low-level mercury exposure have

recently begun to be of concern and current reports implicate

environmental mercury as a potential contributor in the etiology

of various developmental and neurodegenerative diseases

including autism and Alzheimer’s disease. In this demonstration

of preliminary findings, we demonstrate for Bexar County

Texas and Santa Clara County California, the hypothesis that

the spatial structure of the occurrence of autism has a positive

co-variation with the spatial structure of the distribution of

mercury in ambient air. The relative risk of autism is greater in

the geographic areas of higher levels of ambient mercury. We

find that the higher levels of ambient mercury are geographically

associated with point sources of mercury emission, such

as coal-fired power plants and cement plants with coal-fi red

kilns. Although this does not indicate a cause, these results

should not be dismissed, but rather seen as a preliminary step

for generating a hypothesis for further investigation.

Sheri Nakken, former R.N., MA, Hahnemannian

Homeopath

Vaccination Information & Choice Network, Washington State, USA

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