How Samsung’s Galaxy Watch 8 measures your antioxidant levels
We think it’s pretty cool. Wongsakorn 2468/Shutterstock Samsung’s Galaxy Watch 8 can already track your heart rate, sleep, and workouts. But that apparently isn’t enough information about you. Its antioxidant index turns a five-second thumb scan into a score from 0 to 100. The watch does not measure all the antioxidants in your…