The heart's ability to use oxygen efficiently is a critical indicator of its health, but tests to measure this function have ...

You can approach heart rate training in a few ways, and each method has its own set of variables. It can seem like a complicated process. That’s why whenever heart rate training entered the chat, I ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Heart rate zones are a ...

I needed some good news. Following a December heart scare that landed me in intensive care for a night, I have been feeling anxious. While undergoing tests at UH Samaritan Medical Center in Ashland in ...

Researchers at the University of California, Irvine, have developed a polymeric biohybrid cardiac device that harnesses the ...

Nurses are the tireless heroes of healthcare, unsung and under-resourced. They believe in the work they do and work every day to do more with less. Thankfully, new technologies and workforce ...