
The Galaxy S5 has a heart rate sensor. As expected, that sensor tells you your heart rate in beats per minute. You can track your heart rate over time and monitor changes in your health throughout the days, weeks, months, etc. The Galaxy S5 heart rate sensor’s app, S Health, recently received a software update that judges you based on your perceived stress. Instead of just looking at your heart rate, the new S Health uses heart rate information to make a judgment on your stress. It…