Trish Leon wrote:

 >
 > I wonder if drinking and eating the SAD will lead to  eventual
 > de-evolution?  It certainly has an impact on health and life
 > expectancy...

It already has. I have a book entitled "Human Devolution", it's a view 
from India.

 >
 > I always think what a terrific story it would make; a future society
 > divided into 2 groups: one "elite" group who cannot live outside of
 > sterile bubbles, feeding only on engineered food items, infertile and
 > unwilling to face their imminent extinction- believing the lies of
 > their government.  The other group healthy and robust, eating as
 > nature intended, hiding in fear of being taken into captivity for
 > breeding programs and genetic harvesting so the elite could live...
 >

George Orwell wrote it already, there are Morlocks in it, and I forget 
the title. He wrote lots of good stuff.

William