A racing heart from anxiety is your body's fight-or-flight system doing its job — it's trying to protect you, not harm you.

Heart rate variability (HRV) typically increases with parasympathetic activation (rest-and-digest response) and decreases with sympathetic activation (fight-or-flight response). The autonomic nervous ...

Share on Pinterest A new study suggests that aerobic exercise may help reshape part of the body’s nervous system. Getty Images A rat study has found that aerobic exercise may reshape nerves that ...

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 ...

You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing ...

There are forearm-based heart rate monitors, wrist-based heart rate monitors, smartwatches, fitness trackers and even ...

Whatever your view of Cristiano Ronaldo’s contribution towards his nation’s tactical cohesion, there is little doubt that his physical profile defies his age. Pushing past the histrionics from the ...

Discussing the pros and cons of hormonal birth control with your doctor can help inform your decision about which contraceptive method is best for you. New research suggests certain types of hormonal ...