Smiling, laughing, and crying are therefore crucial to interacting with the rest of the world. You probably won’t catch a baby laughing all by herself. “It’s a social response,” Mireault says.

Babies may begin to smile around 2 months and chuckle around 4 months. By 6 months, they'll be laughing up a storm. You can make funny noises, play peek-a-boo, or tickle your baby to encourage a ...

It’s perhaps important then to say that if you really want a baby to laugh, you shouldn’t set out to make them do that. Rather, set out to support their exploration of the world.

Babies typically start laughing between 3 to 4 months of age.This first laugh is often a response to something they find ...