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Friday, June 27, 2014

Fact-Checking Mercury - Post #3

In Fact-Checking Mercury #2, we ended with a question:
"Do people vary in their ability to excrete heavy metals?"

The answer is: YES.

There is some interesting research being done around variations in the genes for MTHFR, MTRR, and MTR. It appears that there are specific genetic differences that impact many aspects of human biochemistry, including the ability to excrete heavy metals. Two people may be exposed to the exact same dose of mercury and have completely different responses. One may dump that mercury out of their system easily and quickly. The other may hold onto it for years. As the toxic load in our environment becomes higher and higher, this variation may become more and more significant in terms of individual health.

The research on this is new, ongoing, and very confusing. Science changes. Stay on top of the current research to learn more. Be forewarned: much of the information about this issue is either oversimplified hype or detailed genetic analysis from the Human Genome Project that is really difficult to read. Research with caution.

A nice summary of the issue can be found here:
Information from a more reliable source can be found here: 

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Welcome to the conversation. Knowledge changes. People respond best when this truism is kept in mind. In community, March & Karen