We all cry. It's a natural human response that can happen for a variety of reasons. But have you ever cried while chopping onions, even when you weren't feeling emotional at all? Tears seem to pop up ...

Photo credit: Shutterstock.com / AJR_photo. That box of tissues isn’t just for mopping up your emotions—those tears you’ve been holding back at work, in traffic, or during that commercial with the ...

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 ...

Why do we cry? Faced with overwhelming joy or grief, our eyes well up and tears stream down our cheeks. Crying is one of the most defining human experiences one can have. And yet, it's an evolutionary ...