A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...

You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term ...

You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously ...

Yes, allergies can increase your heart rate. This may occur as a symptom of allergic rhinitis or as a side effect of an allergy medication. Learn more about prevention and treatment options. Your ...

His heart doesn’t race, it crawls. An Englishman redefined “heart-stopping” after recording pulses as low as 22 beats per minute — which could shatter the Guinness World Record for the slowest heart ...

You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing frequency when you’re scared, stressed, or sweating it out at the gym.

A weak or absent pulse can signal a medical emergency, such as cardiogenic shock or cardiac arrest. Without prompt medical treatment, both conditions can result in death. A person may have a weak ...

Heart rate zones represent different percentages of your maximum heart rate. They can help guide the intensity and effectiveness of your workouts. The benefits of exercise are widespread and include ...

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...