Quote Originally Posted by EpiEpee View Post
Tetracycline (an antibiotic) can cause bones to have a yellow color over time, starting with the teeth. This is more apparent with high doses. Oh, and it is taken up more rapidly by growing bones.

If the agent causing people to turn is bacterial, maybe tetracycline could be helping to keep the little ones more human-like? I think it's unlikely, but it was my first thought when I was trying to figure out why the bones were yellow.
What was the antibiotic given to Saul? Pinstripes was in a hospital... Could have been dumping far too many meds, and created antibiotic resistent strains?