is-140-bpm-bad

is 140 bpm bad is 140 bpm bad when exercising is 140 bpm bad when walking is 140 bpm bad when resting is 140 bpm bad when running is 140 bpm bad when standing is 140 bpm bad when working out is 140 bpm bad for a 13 year old is 140 bpm good is a heart rate of 140 bad