Heart rate

Obesity raises risk of irregular heart rate

Is watching sports harmful for health? Study says yes

This new electronic skin can track heart rate, respiration

Fitness trackers 'unreliable' for measuring calories burned

Low resting heart rate makes men more likely to stalk women

This new method may help improve treatment for irregular heart rate

Revealed – How air conditioner affects your health, sleep

Heart rate fluctuations affect wisdom

Fitbit Alta doesn't track heart rate

Slow heart rate doesn't mean early death risk

Smartphone can be your fitness tracker

Smartwatch credited with saving US teen's life

Now track your heart rate through the day with Jawbone Up wristbands