But it turns out more subtle color changes occur at rest as the heart pumps blood around the body. The ebb and flow of blood ...

Rowing machines and treadmills do not challenge your cardiovascular system in the same way, so what is the science behind it?

Get to know the link between your effort level and your heart rate. Plus, how to use heart rate to your performance advantage ...

Health-tracking tech has never been more accessible, or more intrusive. Here are the pros and cons of data overload.

Discover how your heart's rhythm reveals stress levels, disease risk and fitness status and provides insights about your ...

Good news for coffee drinkers—starting your day with a cup of joe may provide benefits beyond an energy boost.

You can slow a rapid heart rate, caused by anxiety and even cardiac arrhythmias, using a classic technique called vagal ...

Living with a heart that struggles to pump effectively creates daily challenges for millions of Americans. Systolic heart ...

The Need for Cardiopulmonary Exercise Testing Cardiopulmonary exercise tests are crucial in evaluating the heart and lung function of individuals engaged in intense physical activity. The tests ...

Bhang’s effect on the nervous system and heart’s electrical activity can cause arrhythmias (irregular heartbeats), which can ...

WEDNESDAY, March 12, 2025 (HealthDay News) -- Well-to-do and better-educated Americans have far lower rates of heart disease ...