It's healthy to know your numbers. Learn about resting and maximum heart rates, exercise targets, and when to consult a ...

The AirPods Pro 3 just dropped to $219 on Amazon, down from the $249 retail price, and while $30 might not sound dramatic, ...

Invasive epicardial coronary physiologic assessment is increasingly performed to evaluate the hemodynamic significance of intermediate coronary lesions and is recommended by guideline committees.

A federal jury in California has sided with Masimo in a patent battle with Apple over Apple Watch’s blood oxygen feature. The jury awarded Masimo $634 million in damages and concluded that Apple ...

Readers respond to a front-page article about fetal heart monitoring and C-sections. Also: When Shirley MacLaine was the ...

Drinking 1 cup of caffeinated coffee a day might help lower a person's risk of recurrent AFib episodes by as much as 39%, a ...

Health, maker of the sleek ring that tracks sleep, stress, and fitness, has formally petitioned the FDA for clearance to ...

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Introduction: Overactivation of the sympathetic nerve system can lead to a sustained increase in heart rate, which may impair blood perfusion and organ function. Previous studies have demonstrated ...