Can someone please shed some light on this?

Seth
yes.Seth wrote:Ostensibly, it is the bad protein that is the primary culprit.
If there is some real juice inside, or from juice-concentrates, there always is some protein in it.The juices I see and have bought have no protein content whatsoever
Yes, but sugar is pure sugar. Juice never is (if it contains some real juice from whatever fruit)Sugar has undergone such treatment and appears to be fine to consume.
If you do everything else right (all raw), its relatively harmless.Seth wrote:Would that bad protein be enough to cause problems?
I dont know, I have not considered the difference between normal and 'light' cigarettes. (sorry, I couldnt resistAlso, does it matter whether it is flash pasteurized or not?