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 ...

Wondering if cheap fitness trackers are accurate? See what reviewers say about their performance, reliability, and value for ...

Two midwives expressed concerns for 27-year-old mother Shannon Lord after cardiotography (CTG) scans showed up as abnormal as ...

The 35-year-old held his nerve in a dramatic play-off with England's Justin Rose to clinch the title after his 17th attempt ...

President Donald Trump’s doctor released the results of his Friday physical exam, noting that he’s "fully fit" to serve as ...

Survivors of the 1995 Oklahoma City bombing continue to carry hidden biological imprints of trauma, even decades after the ...

The White House released the results of President Trump’s annual physical examination on Sunday.

While training for a half Ironman, Madison DiBattista thought she was in great shape, but she never could have imagined what her body was truly going through.

CONTINUOUS monitoring of heart rate recovery (HRR) using wearable ECG technology can identify individuals at higher risk of ...

Researchers have discovered an experimental medication that significantly reduces a cholesterol-like particle that can ...

In a tightly controlled lab experiment, researchers found that eating both day and night negatively impacted heart rate ...

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...