Tachycardia is a rapid heart rate that beats faster than 100 beats per minute for any reason. It can occur as a result of many acute and chronic conditions. Factors such as age, health conditions, and ...

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 ...

A normal resting heart rate ranges from 60 to 100 bpm. Sudden increases can be triggered by stress, dehydration, or stimulants, says a heart specialist. Have you ever experienced a sudden increase in ...