Stanford cardiologists took a look at heart performance in athletes finishing “90 continuous hours of biking, climbing, swimming, paddling and rope work with virtually no sleep,” and found… that the heart does tire with exercise!
Link…
Stanford cardiologists took a look at heart performance in athletes finishing “90 continuous hours of biking, climbing, swimming, paddling and rope work with virtually no sleep,” and found… that the heart does tire with exercise!
Link…
Your information will never be shared with any third party.