The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Heart rate is one of the most powerful—and underestimated—indicators of your cardiovascular health. Understanding how it ...

Your Blood Vessels Could Circle Earth Four Times Laid end to end, an adult's blood vessels could circle Earth's equator four ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

Some good news, then, from researchers at Northwestern University, in the US. In 2025, they found a way to combine two ...

A recent review explored the evolution of visual arts in cardiovascular medicine over time, the understanding, diagnosis, and ...

Everywhere scientists look for microplastics, they've found them -- food, water, air and some parts of the human body. But examinations of our innermost organs that aren't directly exposed to the ...

Researchers investigated when the body starts exerting more energy to keep itself cool at high temperatures. They found that this upper-temperature limit lies between 40℃ (104F) and 50℃ (122F) when ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

Researchers have developed a promising synthetic heart valve that may eventually be used for growing children. Harvard’s Wass Institute and John A. Paulson School of Engineering and Applied Sciences ...

Recognizing the body’s signals of a heart attack can mean the difference between life and death. Heart disease remains a leading cause of mortality globally, yet many people miss or misinterpret the ...