Snapchat's "crying filter," which users commonly refer to as the "sad face" filter, has become the latest viral trend, gaining over 1.3 billion impressions since last week.

How To Get the Crying Face Filter on TikTok. Those wanting to find the filter to try it out themselves have found themselves struggling, with comments on videos filled with confusion.

Crying babies can hold a woman's attention for a longer time.(Shutterstock) It was observed that participants took longer to disengage their attention after watching a sad baby face compared to a ...

In other words, a baby's tendency to cry might have more to do with their DNA than anything a parent does—or doesn't—do. "For ...

Crying at birth is not just an emotional moment; it’s a biological necessity. Why a baby MUST cry at birth [Otosection] A Agnes Isoje Follow; When a baby is born, one of the first signs that ...