Source: Monsanto Roundup Attacks Healthy Gut Bacteria, Lawsuit…
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According to the suit — which names three consumers as plaintiffs seeking unspecified monetary damages and class action status — Roundup’s active ingredient glyphosate attacks an enzyme also found in the beneficial intestinal bacteria of humans and some animals.
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Glyphosate was originally described as an antibiotic. It is likely to be a significant part of the obesity epidemic. http://www.puravidaaquatic.com/wordpress/3-reasons-no-4-reasons-why-were-fatter-than-30-years-ago/. If you feed low levels of antibiotic to cattle (a mammal just like we are) they gain weight faster.
Eat organic and grow as much of your own food as you can without putting pesticides on it! Even green pesticides are, in most cases, bad for the environment.