Calculate your target heart rate zone and work to stay in the middle of that zone while you’re doing your cardio. Here’s how you do it: According to the American Heart Association, a person’s target ...

A new study raises questions about how financial stress fits into cardiovascular health. Dr. Leana Wen explains what people can do to protect their hearts.

A young boy nearly died after catching the flu, leaving him three weeks in intensive care. Joel was five when he was rushed ...

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

The CPR on these shows often depicts outdated practices and inaccuracies about who is most likely to experience cardiac ...

And the Apex 4 more than meets the requirements for a reliable battery life. This watch can run for up to 65 hours in full ...

Checking for a pulse and giving rescue breaths are just some of the ways TV inaccurately depicts CPR for sudden cardiac ...

In a state that had legislated its commitment to life, Graham spent her final days struggling to find anyone to save hers.

Among patients with opioid overdose, bradycardia on initial vital signs was associated with a higher likelihood of xylazine ...

Many TV depictions of CPR for out-of-hospital cardiac arrest not only made errors in correct technique but may skew public ...

Researchers have identified bradycardia—an abnormally low heart rate—as a symptom of xylazine-opioid overdose. This ...

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is ...