Figure 6.

A wearable device integrated with multiple sensors to enable precise monitoring of the physiological status of an individual. a) The sensor can be worn on the wrist or forehead of an individual to monitor physical activities. b) The wearable band is designed to monitor glucose, lactose, sodium, and potassium levels in sweat as well as body temperature in real time. c) A proof‐of‐principle study to monitor subject's dehydration status from physical activities. Reproduced with permission.120 Copyright 2016, Springer Nature.