Medical Doctor Google May Not Be First-Rate : Photographs

And Google usually has an answer in a little box at the top of the search results.
Check out the search results: The Mayo Clinic writes that colloidal silver is unsafe, while the WebMD result is unclear.
But ask Google if colloidal silver is safe and the NCCIH website doesn’t show up until near the bottom of the first page, below the result from DrAxe.com.
The text is pulled directly from sites that Google thinks best address what the user wants to know.
In the end, user opinions skewed toward whichever search results had been prioritized.

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