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.

Many people have experienced the strange sensation of hearing their heartbeat while lying in bed. For some, this rhythmic sound is a source of curiosity, while for others, it raises concerns about ...

A few years ago I was out walk­ing with an older relative when she suddenly stopped and put her hands out for support. Her heart­beat had gone haywire, causing chest pains and making her feel ...