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

It’s normal to experience occasional heart palpitations due to stress, exercise, and excessive caffeine or stimulants. Write down what you were doing before your heart started racing. This record can ...

A fast heartbeat of over 100 beats per minute can happen for various reasons, including drug reactions, alcohol, stress, and some health conditions. If the cause is unclear, the heart may seem to beat ...

It's normal for your heartbeat to speed up when you're excited or nervous or have just had a cup of coffee or exercised. But if your heart is racing all the time or at random times throughout the day, ...

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 ...