Tiny people giggle at everything from tickling to peek-a-boo to silly faces. But do they really have a sense of humor?

A newborn's first cry is a vital sign of a healthy transition to life outside the womb, signaling the lungs opening and the body's survival systems activating. This initial cry, distinct from adult ...

Uncontrolled laughing or crying can be more than just a surprising emotional reaction, it may signal a neurological condition called pseudobulbar affect (PBA). PBA causes sudden, involuntary emotional ...

Have you ever tried rubbing your stomach and patting your head… at the same time? How about turning your head one way, and your tongue the other? It can be hard doing two things at once, right? But we ...

Welcome to the L.A. Times Book Club newsletter. Hello, fellow readers. I’m culture critic and fervent bookworm Chris Vognar. This week we speak with comedian and first-time author Youngmi Mayer, whose ...