Your heart beats about 100,000 times a day. Sometimes it beats faster and sometimes more slowly, depending on what you're doing and whether, for instance, you're all worked up about something. So ...

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

A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can ...

In today's fast-paced life, even small warnings about our health are very important. Usually we think that the heartbeat increases only when we run, walk fast or do heavy work, which is a normal ...

Smoking affects the lungs and other organ systems, including the heart. The carbon monoxide from tobacco reduces oxygen to the heart, causing it to beat faster to deliver oxygen to the body. Share on ...

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

Polymorphic ventricular tachycardia is an abnormal heart rhythm where the bottom chambers of your heart beat too quickly. People with severe cases may experience sudden cardiac arrest. Conditions that ...

It's essential to seek emergency care if a rapid heartbeat is paired with confusion or chest pain. ER treatments for tachycardia include medications and electrical cardioversion. Managing stress and ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

The risk of developing an irregular heartbeat increases after menopause. New research finds that stress and insomnia may play a role. Having an irregular heartbeat raises the risk of developing a slew ...