You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing frequency when you’re scared, stressed, or sweating it out at the gym.
In TODAY.com's Expert Tip of the Day, a cardiologist explains why a lower resting heart rate can be a good sign of heart ...
While some measures of physical fitness such as athletic ability and one's strength or stamina may be difficult to ascertain right away, others are more obvious. One's resting heart rate, for instance ...