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 Japan have identified a natural compound found in blueberries, grapes, and other berries that may help muscle ...

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 ...