Over the past few years, a new class of medications has transformed the treatment of obesity. Drugs like Ozempic, Wegovy and Mounjaro work primarily by reducing appetite, helping people eat less and ...

When people talk about “burning fat,” it sounds like something melts away inside your body and vanishes. What actually happens is stranger and more elegant: most of the fat you lose leaves your body ...

But imaging studies in the late 2000s revealed that many adults retain metabolically active brown fat, particularly in the neck and upper chest. Exposure to cold temperatures naturally triggers the ...