Fuente: Wipo "Sensorization" This invention is a wearable device or system for measuring food consumption using multiple sensors which are incorporated into smart glasses, a smart watch (or wrist band), or both. These sensors include one or more cameras on the smart glasses, on the smart watch, or both which record food images when eating is detected by a motion sensor, an EMG sensor, and/or a microphone. The smart watch (or wrist band) can also include a spectroscopic sensor to analyze the molecular and/or nutritional composition of food.