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 ...

Scientists in California tested a way to coax certain fat cells to burn calories, rather than simply store energy. In new research involving mice, the team found it was possible to convert existing ...

The way the body stores fat changes with age, and not all fat deposits affect health in the same way. While subcutaneous fat, the kind stored just under the skin, serves normal functions, visceral fat ...

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, ...