 Why will adult psi contact hurt the children?
"Full psi precautions?" asked Dorffman. The first was from Roberts Bros., announcing another shift of deadline on the book, and demanding the galley proofs two weeks earlier than scheduled. As director of psionic research at the Hoffman Medical Center, he had long since learned how administrative detail could suck up daytime hours. "A Theory of Psionic Influence on Infant and Child Development." They were trying to study phenomena which made no sense, observing things that defied logic. "I think you'd better wait before you do that," Melrose said sharply, "because I'm planning to take you apart at the Conference next month unless I like everything I see and hear down here today.
 Adult psi contact dampens the children's natural psionic abilities. Eventually, adult psi contact will snuff out a child's abilities altogether.
 Adult psi contact increases a child's psionic ability so much it can cause a psychotic break.  Adult psi contact overwhelms the children's brains. It gives them migraines.  Adult psi contact overwhelms the children's nervous systems. It gives them nose bleeds.  Adult psi contact dampens the children's natural psionic abilities. Eventually, adult psi contact will snuff out a child's abilities altogether.