That pitch to buy a product is quite old. It was being circulated via audiotape over 10 yrs ago!
Here is a more rounded opinion about the validity of the information on that tape/CD... (which I picked up free in a restaurant traveling on vacation one summer)..
http://www.skepdic.com/wallach.html
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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