1 doctor weighed in:
Would having an increased heart rate let you run even faster?
1 doctor weighed in

Dr. Mark Weston
Orthopedic Surgery - Spine
In brief: Stay natural
Elite runners have slow resting heart rates from natural conditioning and efficient oxygen transport and stronger hearts more pump per squeeze need fewer beats to get job done driving your heart chemically to enhance sports performance results in arrythmias strokes death possible side effects.

In brief: Stay natural
Elite runners have slow resting heart rates from natural conditioning and efficient oxygen transport and stronger hearts more pump per squeeze need fewer beats to get job done driving your heart chemically to enhance sports performance results in arrythmias strokes death possible side effects.
Dr. Mark Weston
Dr. Mark Weston
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