Sarah covers how industries like food and tobacco affect Americans’ bodies and minds. Her interests include ultra-processed foods; smoke-free tobacco; and wellness trends like perimenopause products ...

Scientists have uncovered a surprising secret hidden inside fat cells that could reshape how we think about obesity and metabolic disease. A protein called HSL, long believed to simply release stored ...

A new drug burns body fat without any adjustment to diet or exercise.

If you're still stuck thinking cardio is the king of fat loss, it's time to update the playbook. A new comprehensive meta-analysis just flipped a long-held fitness belief on its head. While ...

Researchers have uncovered a surprising new role for the HSL protein: beyond breaking down fat, it also works inside the nucleus of fat cells to keep them functioning properly. When HSL is missing, ...