But Baby Signs just made it easy," Theg said. Alex is one of 140 sign language babies followed by researchers for the past 16 years as part of a long-term study on the effects of signing with babies.

If you're a new parent trying to communicate with your infant, you may have tried baby sign language: specialized gestures babies can learn to communicate words like "hungry," "thirsty" and "more." ...

Incorporating sign language into homes and schools can foster new relationships, break down language barriers, and develop knowledge of new cultures. As for when to start signing with your baby ...