View this interactive chart on Fortune.com Smartwatches ... that you have too low of a heart rate that needs to be raised.” ...

While a normal resting heart rate for adults ranges from 60 to 100 beats per minute, anything over or under this implies all ...

If you go outside this range, you experience either of ... Other variables could affect your heart rate, such as: Here is a chart showing how the normal resting heart rate changes with age ...