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 ...

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

A child's normal heart rate varies by age and size, with babies typically having higher rates than older children. It’s important for parents to know how to check their child's pulse to recognize when ...

Whether due to stress or an intense cardio workout, most of us have felt our heart racing from time to time. A rise in your heart rate can be perfectly normal given outside circumstances. However, ...

Heart palpitations are common sensations such as fluttering, racing, or skipped beats. Though usually harmless, they can ...

Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

WARMINSTER, Pennsylvania (WPVI) -- You've probably never heard of PVCs, but chances are you've had them if you felt your heart skip a beat. Cardiac PVCs might be benign, but can sometimes pose a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS – Heart disease remains a leading ...