If I were to believe the Samsung Galaxy Watch 8, I don’t eat enough fruits and vegetables.
Normally, smartwatches don’t make judgments about your nutritional intake. But this year, Samsung introduced a new experimental feature called Antioxidant Index. Using blue, yellow, and infrared LEDs, the watch’s sensor can pick up carotenoid levels in your skin. (Carotenoids are a type of antioxidant that give fruits and veg their yellow, orange, or red hues.) You stick your thumb on the sensor,…
