Dear Doctors: Is it true that if you have a normal heart, skipped heartbeats are generally harmless, especially if you also aren't having any shortness of breath or chest discomfort? Are there any ...

You know the feeling. When you first see your crush and your head starts spinning, your palms get sweaty, and your heart begins beating a mile a minute. Is this love? Or is it … an arrhythmia? The ...

Learn about a good walking heart rate and what factors affect this number. Plus, calculate your resting and maximum heart rates and see what's too low or high.