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

When recording your heartbeat, look out for skipped beats, extra beats, or long pauses between beats, that can feel like ...

Milliseconds of variability, now detected by fitness watches, can improve well-being Earlier this year I got an Oura ring to ...

Explore how lab report reference ranges shape our understanding of health, emphasizing the complexity behind the concept of ...

Experiencing intense anger? Your body's rapid physiological shifts, including increased heart rate and tightened chest, are ...

Not getting enough sleep does more than make you tired. Here’s how short nights can quietly raise your blood pressure, and ...

From aerobic gains to fatigue resistance and optimized recovery, the power of zone 2 can’t be ignored. In How to Run Faster, ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

PHOENIX — A Valley hospital is being sued after a newborn allegedly sustained a brain injury while being delivered.

While every soon-to-be parent hopes for a smooth, uneventful pregnancy, labor, and delivery, birth trauma and injury can be ...

Few children have had the opportunity to receive this tiny pacemaker, but Aurora, born in March, was the second South Texas ...

These are the kinds of insights that come from deep profiling. Whole-body MRI, for example, has been controversial.