Celaida Lissabet, 15, was participating in what was supposed to be a fun event at her Miami-area charter school last October, wrestling with a classmate while wearing an inflatable sumo suit during ...

A magic pill for weight loss seems as far-fetched as teleporting (come on, science). But researchers may have cracked it with Obalon, an Rx pill that contains not meds, but—get ready for it—a balloon.