A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can make your heart beat fast. More serious conditions like heart arrhythmia ...

Your heartbeat can provide valuable clues to help you stay well. Here’s what top cardiologists want you to know about it.

Pregnancy is often marked by unexpected changes in your body that can catch you off guard. You may expect some of these changes, but others can cause worry. Feeling your heart beat faster, even when ...

Yes, allergies can increase your heart rate. This may occur as a symptom of allergic rhinitis or as a side effect of an allergy medication. Learn more about prevention and treatment options. Your ...

Celine Dion sings that "my heart will go on," but how many times does it actually beat in a day or even a lifetime? When you purchase through links on our site, we may earn an affiliate commission.

Heart racing suddenly during workouts or daily activity? Doctors explain supraventricular tachycardia (SVT), its symptoms, causes, and when to seek help.

If your heart suddenly shoots up to 150–170 bpm during exercise or even at rest, doctors say it could be supraventricular ...