thank you so much for this comment - incredibly helpful addition to the discussion . I am always amazed we live in an information culture but actual useful information never floats to the top . Seems like this point would ring out in every discussion but this is the first I have seen it (admittedly I live under a rock)

clearly the best idea yet

metabolize not synthesize .......... enough mutation took place that this substance became a survival enhancing resource (or at least not a debilitating one in the environment)