If you can exercise without fatigue you are fit and healthy :)
illegal use of ergogenic substances
<span>The
answer to this question is electrocardiogram. Electrocardiogram or ECG is a
test that records the patient’s heartbeat and checks the electrical activity of
the patient’s heart. The electrodes that are placed on the skin of the patient
to capture the magnitude of the heart’s electrical depolarization and to check
any presence of heart muscle damage. </span>
The first to do so was Leonardo Da Vinci
