#HTE
Most fitness bands only monitor step counts and heart rate, but a research device developed by scientists at Stanford University and the University of California–Berkeley could change that. They’ve developed a wearable device that can analyze multiple components of sweat in real time, according to a study published in Nature today. That may have implications for doctors as well as athletes, because the metabolites and electrolytes that the human body secretes in sweat can be used to determine muscle fatigue as well as hydration levels.
http://www.theverge.com/2016/1/27/10840680/sweat-wearable-analysis-real-time-berkeley