Featured in heart rates

Heart rate monitors to track your vitals while on the run
The Apple Watch is evolving into a legitimate medical device
The 7 Most Important Fitness Tracker Measurements
Check Your “Fitness Age” With This Research-Based Calculator
Measure Your Heart Rate Using Headphones
This Guy Mapped His Heart Rate During ‘Game Of Thrones’ [Infographic]
Personal Monitoring Tech: Invasion of the Body Trackers
Heart Rate Updates: Delivered Directly to Swimmers’ Ears
Gaming With Heart