Laughing and crying seem to have a special, if slightly confusing, affinity for one another. Most of us have had the experience of laughing and crying simultaneously. Sometimes the expression of both ...

A baby's first cry is not just sound it is survival. Science explains why crying comes before smiling or laughter in newborns ...

Uncontrolled laughing or crying might indicate pseudobulbar affect (PBA), a neurological condition causing involuntary emotional outbursts unrelated to actual feelings. Frequently linked to stroke, ...

A newborn's first cry is a vital sign of a healthy transition to life outside the womb, signaling the lungs opening and the ...