Burping is often considered a "faux pas," as it can be embarrassing and off-putting, especially in social situations. But for some, the inability to belch can be an issue that can cause discomfort.

In a video posted to Reddit this summer, Lucie Rosenthal's face starts focused and uncertain, looking intently into the camera, before it happens. She releases a succinct, croak-like belch. Then, it's ...