Emotional tears are a uniquely human behavior. Research suggests they evolved not for eye health but as a powerful social ...

Tears are usually seen as a sign of sadness or pain, but it’s not uncommon for people to cry during life’s most joyful moments: weddings, births, reunions, sporting triumphs, or even just an ...

Crying also triggers the release of feel-good chemicals, Dr. Parker says, like pain-relieving endorphins and oxytocin (the ...