I have little respct for the FDA. After all, they fast tracked Nutrasweet and Splenda (which cause serious problems) and hmm n haw on natural products like Stevia and Ginseng. (discussions elsewhere here, so if anyone wants to discuss them, please kick up one of those topics.
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Here's a side bar, sort of related.
There are a great deal of books out and an even greater number of websites that prescribe gem stones for everything from ghost busting to gall stone removal. I've yet to find a single scientific study that says these are anything but pretty stones, with a few industrial uses. But, based on something I read, I stuck 9 clear quartz stones under my pillow, and have slept soundly since then (4 days). The article was very specific, must be 9, not 8 not 7, must do XY & Z before use, must redo XY & Z daily, etc. I'm a skeptic of the 5th degree, can't explain it, yet...it worked.
So, while I do put value into scientific studies, I'm also aware that there are those things that science currently can't explain, that current medicine doesn't understand, that still exist and still work, despite our 'knowledge' that says otherwise.
Remember, according to science, and experiments, and the experts, a Bumblebee can't fly.
That said, there is much value in looking at the tests and their results.
When doing tests, all factors must be examined, including the test criteria.
Simply put, despite the opposing views (and resulting ah, frustrations, I see here and there) so far, it's all been good information. Please, keep the info flowing and restrain the frustrations. I for one am learning alot and hope others find this of value too.