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

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

Humans are the only animal to produce emotional tears. Asking questions about this behavior can help us better understand how we live our lives. That question has many answers. To start, there are ...

Good news, bad news, a rough day, a scary movie, a poignant memory, a nostalgic smell—these are all things that can prompt a salty tear to trickle down your cheek. The sensation is quick to sneak up ...

Humans appear to be the only species clearly proven to shed tears specifically because of emotions. Elephants, primates, and dogs show behaviors and biological responses that come closest to human ...

After Michael Harwell’s wife died of brain cancer two years ago, he learned to embrace the grieving process by relishing 56 years worth of memories from his marriage, and sharing them with friends.

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...