Both parents and pediatricians often speak of the “terrible twos.” It’s a normal developmental phase experienced by young children that’s often marked by tantrums, defiant behavior ...

“These children have their own classroom, and a different program,” says Amy Gritters, preschool principal ... some have just begun to talk. “Twos are amazing,” she says.

Because of that, lots of parents have heard warnings about the infamous “threenager” phase, which of course follows the “terrible twos.” Of the various idioms meant to explain away all ...

DETROIT (WWJ) - We've all heard of the 'terrible twos' — but researchers now warn it may be more than just a phase. The University of Michigan's Dr. Rebecca Waller urges parents to pay attention ...