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 wide-eyed surprise, followed by rollicking laughter. “I got it!” the Denver resident says after what was her second burp ever. “It’s really rocking my mind that I am fully introducing a new bodily function at 26 years old,” Rosenthal later told KFF Health News while working remotely, because, as great as the burping was, it was now happening uncontrollably. “Sorry, excuse me. Oh, my god. That was…