The videos have all the trappings of a TikTok designed to go viral: an eager creator staring into the camera, poised to give the viewer a before-and-after look at completing a difficult physical ...

Most people wouldn’t be able to fathom eating 10,000 calories in a single sitting, let alone stay in shape while doing so. But Katina DeJarnett has made a career out of eating five pounds of food at a ...